Acute Bronchitis and Pneumonia Overview

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Questions and Answers

Which of the following is a typical symptom of a pulmonary embolism?

  • Dry cough, sore throat, and loss of smell.
  • New onset of dyspnea, hemoptysis, and pleuritic chest pain. (correct)
  • Productive cough with blood-stained sputum, night sweats, and weight loss.
  • Gradual onset of dyspnea, pitting edema, and wet cough.

A patient presents with a fever, anorexia, fatigue, night sweats, and a productive cough with blood-stained sputum. These symptoms are most likely indicative of:

  • Tuberculosis (correct)
  • COVID-19
  • Pulmonary Embolism
  • Heart failure

A patient with a long-term history of smoking presents with a persistent cough and recent weight loss. Which condition is most concerning?

  • Pulmonary tumor (correct)
  • Foreign body aspiration
  • Heart failure
  • COVID-19

Which of the following is a common early sign of COVID-19?

<p>Fever, dry cough, and shortness of breath (C)</p> Signup and view all the answers

Which type of COVID-19 test is used to determine past infection?

<p>Antibody test (B)</p> Signup and view all the answers

Which of the following is a contraindication for azithromycin?

<p>Hypokalemia (D)</p> Signup and view all the answers

According to these guidelines, which of the following is NOT a recommended indication for hospitalization of a patient with acute bronchitis?

<p>Mild productive cough (C)</p> Signup and view all the answers

What specific clinical scenario should prompt a re-evaluation with a chest X-ray in a patient with a respiratory illness?

<p>Symptoms lasting more than 3 weeks despite symptomatic treatment (B)</p> Signup and view all the answers

What is the typical duration of a cough associated with acute bronchitis?

<p>1 to 3 weeks (C)</p> Signup and view all the answers

What is the most common cause of typical bacterial community-acquired pneumonia (CAP)?

<p>Streptococcus pneumoniae (B)</p> Signup and view all the answers

What is the primary cause of acute bronchitis?

<p>Viral infection (A)</p> Signup and view all the answers

What is a common clinical finding upon auscultation in a patient with pneumonia?

<p>Crackles/rales that do not clear with cough (A)</p> Signup and view all the answers

Which of the following is a common symptom of acute bronchitis?

<p>Persistent cough, often affecting sleep (A)</p> Signup and view all the answers

Which of the following is a characteristic of pneumonia caused by a gram-positive bacteria?

<p>Green-rust colored sputum (A)</p> Signup and view all the answers

A patient presents with a persistent cough, normal vital signs, and no evidence of tachypnea. Which condition is most likely?

<p>Acute Bronchitis (D)</p> Signup and view all the answers

Which of the following is an atypical cause of pneumonia?

<p>Mycoplasma pneumoniae (D)</p> Signup and view all the answers

Which of the following is a less typical symptom of acute bronchitis compared to pneumonia?

<p>High fever (B)</p> Signup and view all the answers

Which bacterial pneumonia is most likely to cause meningitis and sepsis, especially in children?

<p>Hemophilus influenzae type B (C)</p> Signup and view all the answers

Which of these is considered an atypical bacterial cause of bronchitis?

<p>Mycoplasma pneumoniae (C)</p> Signup and view all the answers

Which of these conditions is most frequently a preceding symptom to Acute Bronchitis?

<p>Rhinorrhea (C)</p> Signup and view all the answers

Which of the following patient populations is most susceptible to developing acute bronchitis?

<p>Adults older than 50 years old (A)</p> Signup and view all the answers

Which of the following physical exam findings is typically associated with acute bronchitis?

<p>Clear breath sounds (D)</p> Signup and view all the answers

When is a chest x-ray (CXR) most useful in evaluating acute bronchitis?

<p>When there is suspicion of community-acquired pneumonia (CAP) (D)</p> Signup and view all the answers

A patient is diagnosed with acute bronchitis and presents with respiratory distress and hypoxemia. Which of the following conditions should be included in the differential?

<p>Bronchiolitis (A)</p> Signup and view all the answers

Which of the following is NOT a typical treatment for acute bronchitis?

<p>Antibiotics for cough (B)</p> Signup and view all the answers

A patient with acute bronchitis and a known history of asthma presents with wheezing. Which medication is most appropriate?

<p>Albuterol (A)</p> Signup and view all the answers

Which of the following is a criteria for considering Community Acquired Pneumonia (CAP) instead of Acute Bronchitis?

<p>Temperature &gt; 100.4, RR &gt; 24, HR &gt; 100 (B)</p> Signup and view all the answers

When should antibiotics be considered in the treatment of acute bronchitis?

<p>For bacterial infections such as pertussis (D)</p> Signup and view all the answers

A patient presents with a cough lasting over three weeks. This would not be considered which of the following differential diagnosis?

<p>Acute Bronchitis (B)</p> Signup and view all the answers

What is a common symptom of atypical pneumonia that distinguishes it from typical bacterial pneumonia?

<p>Gradual onset with a dry, nonproductive cough (B)</p> Signup and view all the answers

Which diagnostic test is considered the gold standard for diagnosing pneumonia?

<p>Chest X-ray (CXR) (C)</p> Signup and view all the answers

In a patient with suspected pneumonia, when is a sputum analysis MOST useful?

<p>When the patient is hospitalized with suspected MRSA or P. aeruginosa (A)</p> Signup and view all the answers

Which of these findings is more commonly associated with bacterial pneumonia on a chest x-ray, compared to atypical pneumonia?

<p>Lobar consolidation (A)</p> Signup and view all the answers

A patient presents with gradual onset of low-grade fever, headache, fatigue, myalgias, and dry cough. What is the most appropriate initial antibiotic treatment?

<p>Azithromycin (C)</p> Signup and view all the answers

Which of the following is NOT a typical finding for atypical pneumonia?

<p>Pleuritic chest pain (D)</p> Signup and view all the answers

What is the recommended interval between the two doses of the Pfizer-BioNTech COVID-19 vaccine?

<p>3 weeks (21 days) (C)</p> Signup and view all the answers

When should blood cultures be obtained for a patient with community-acquired pneumonia (CAP)?

<p>When the patient is hospitalized with CAP. (B)</p> Signup and view all the answers

According to the provided information, what is the minimum age for receiving the Johnson & Johnson/Janssen COVID-19 vaccine?

<p>18 years (C)</p> Signup and view all the answers

Which of the following is NOT a typical feature for a pneumonia differential diagnosis?

<p>Bradycardia (B)</p> Signup and view all the answers

What is the recommended duration after the second shot (for both 2 shot vaccines) to be considered fully vaccinated?

<p>2 weeks (C)</p> Signup and view all the answers

Which of the following is NOT a recommended first-line treatment for typical pneumonia in healthy patients?

<p>Metronidazole (C)</p> Signup and view all the answers

What is the typical dosage frequency of clarithromycin when used to treat typical pneumonia?

<p>500 mg twice daily (A)</p> Signup and view all the answers

Which of the following is a potential risk reported by the CDC after COVID-19 vaccination?

<p>Myocarditis and pericarditis (D)</p> Signup and view all the answers

According to the provided content, what medication class is typically used to treat atypical pneumonia?

<p>Macrolides (D)</p> Signup and view all the answers

What diagnostic tool is NOT mentioned to help with the decision about pneumonia hospitalization?

<p>Chest X-Ray (B)</p> Signup and view all the answers

A patient presents with shortness of breath that worsens with exertion, pitting edema, and a dry cough. Which of the following conditions is most likely?

<p>Heart Failure (D)</p> Signup and view all the answers

A patient presents with a new onset of dyspnea, hemoptysis, and pleuritic chest pain. Vital signs reveal tachycardia and tachypnea. Which of the following is the most likely diagnosis?

<p>Pulmonary Embolism (D)</p> Signup and view all the answers

Which of the following types of COVID-19 tests is used to determine if a person has had a past infection?

<p>Antibody Test (B)</p> Signup and view all the answers

A patient with fever, anorexia, fatigue, night sweats, and a productive cough with blood-stained sputum is most likely suffering from which condition?

<p>Tuberculosis (D)</p> Signup and view all the answers

What characterizes the cough associated with acute bronchitis?

<p>Initially dry, progressing to productive (C)</p> Signup and view all the answers

What is a common clinical feature of atypical pneumonia?

<p>Dry, nonproductive cough (C)</p> Signup and view all the answers

Which of the following statements about the incidence of acute bronchitis is true?

<p>It is most common in patients over 50 years old. (B)</p> Signup and view all the answers

What is the typical duration of acute bronchitis cough?

<p>1 to 3 weeks (D)</p> Signup and view all the answers

Which organism is most commonly responsible for atypical pneumonia in the US?

<p>Mycoplasma pneumoniae (D)</p> Signup and view all the answers

Which of the following is NOT a common prodromal symptom of acute bronchitis?

<p>Chills (C)</p> Signup and view all the answers

What is a significant clinical finding that minimizes the likelihood of pneumonia in a patient with respiratory issues?

<p>Persistent cough with normal vital signs (B)</p> Signup and view all the answers

What best describes the typical chest X-ray findings for bacterial pneumonia?

<p>Lobar consolidation (A)</p> Signup and view all the answers

What is the typical duration for azithromycin when treating atypical pneumonia?

<p>5 days (A)</p> Signup and view all the answers

Which of the following pathogens is responsible for the majority of acute bronchitis cases?

<p>Adenovirus (C)</p> Signup and view all the answers

Which symptom is typically associated with acute bronchitis but not with pneumonia?

<p>Dry cough (C)</p> Signup and view all the answers

Which patient population is at the highest risk for developing atypical pneumonia?

<p>School-age children (A)</p> Signup and view all the answers

Which of the following is a common viral cause of acute bronchitis?

<p>Influenza A virus (A)</p> Signup and view all the answers

What laboratory finding is typical in patients with atypical pneumonia?

<p>Normal or slightly elevated white blood cell count (D)</p> Signup and view all the answers

When is sputum analysis most beneficial for patients suspected of having pneumonia?

<p>In cases of severe community-acquired pneumonia (D)</p> Signup and view all the answers

What is a typical finding upon physical examination of a patient with acute bronchitis?

<p>Clear breath sounds (A)</p> Signup and view all the answers

What is the main reason to consider a chest X-ray in a patient suspected of having acute bronchitis?

<p>High fever with tachycardia and tachypnea (C)</p> Signup and view all the answers

How long must a cough persist for a diagnosis of acute bronchitis to be considered?

<p>More than 7 days (A)</p> Signup and view all the answers

Which treatment is specifically indicated for patients with a bacterial infection related to acute bronchitis?

<p>Macrolides (A)</p> Signup and view all the answers

What does an elevated C-reactive protein level greater than 10 mcg/dl suggest in the context of acute bronchitis?

<p>Possibility of pneumonia (D)</p> Signup and view all the answers

Which condition should be included in the differential diagnosis if a cough persists for more than 3 weeks?

<p>Asthma (C)</p> Signup and view all the answers

What supportive treatment is recommended for symptoms of acute bronchitis?

<p>Increased fluid intake (B)</p> Signup and view all the answers

What is the significance of the cough and sputum production criteria when diagnosing chronic bronchitis?

<p>Cough must occur daily for 3 months over 2 years (C)</p> Signup and view all the answers

Which condition would warrant hospitalization for a patient with pneumonia?

<p>Progressive dyspnea (A)</p> Signup and view all the answers

What is the primary causative agent of typical community-acquired pneumonia (CAP)?

<p>Streptococcus pneumoniae (A)</p> Signup and view all the answers

Which of the following is generally not required for diagnosing community-acquired pneumonia (CAP)?

<p>Identification of causative agent (A)</p> Signup and view all the answers

Which pneumonia type is characterized by organisms not detectable on Gram stain?

<p>Atypical pneumonia (B)</p> Signup and view all the answers

Which of the following is a classic symptom of bacterial pneumonia caused by Streptococcus pneumoniae?

<p>Green-rust colored sputum (D)</p> Signup and view all the answers

What clinical feature is typically associated with pneumonia during auscultation?

<p>Crackles that do not clear with cough (C)</p> Signup and view all the answers

In which situation is a reevaluation with a chest X-ray indicated?

<p>Symptoms persist for more than 3 weeks (B)</p> Signup and view all the answers

What additional health condition increases susceptibility to Hemophilus influenzae pneumonia?

<p>Chronic obstructive pulmonary disease (COPD) (D)</p> Signup and view all the answers

What is the minimum age requirement for receiving the Pfizer-BioNTech COVID-19 vaccine?

<p>12 years (B)</p> Signup and view all the answers

How long after the second shot of the Moderna vaccine is an individual considered fully vaccinated?

<p>2 weeks (B)</p> Signup and view all the answers

Which treatment regimen is typically recommended for healthy patients with typical pneumonia who have not used antibiotics recently?

<p>Combination therapy of beta-lactam and doxycycline (C)</p> Signup and view all the answers

What potential risk has the CDC reported in relation to COVID-19 vaccination?

<p>Myocarditis and pericarditis (C)</p> Signup and view all the answers

What is the recommended treatment for atypical pneumonia?

<p>Macrolides or fluoroquinolones (C)</p> Signup and view all the answers

For patients aged 60 years with no recent antibiotic use, which of the following is a suitable treatment for typical pneumonia?

<p>Combination therapy of beta-lactam and azithromycin (D)</p> Signup and view all the answers

What is the spacing between doses for the Johnson & Johnson/Janssen COVID-19 vaccine?

<p>No doses; single shot only (B)</p> Signup and view all the answers

What is one of the criteria used to assist in determining the hospitalization of pneumonia patients?

<p>CURB-65 criteria (A)</p> Signup and view all the answers

Which of the following symptoms, if present alongside a dry cough, would be most suggestive of COVID-19 rather than acute bronchitis?

<p>Loss of smell or taste (C)</p> Signup and view all the answers

A patient presents with a cough, tachypnea, and tachycardia. Which of these additional findings would most strongly suggest a pulmonary embolism, rather than heart failure?

<p>New onset dyspnea (D)</p> Signup and view all the answers

Which symptom is most indicative of inflammatory lung disease versus a pulmonary tumor in a patient with a chronic cough?

<p>Fever (D)</p> Signup and view all the answers

A viral test for COVID-19 can be performed using either NAAT or antigen tests, what do these tests measure to diagnose a current infection?

<p>The presence of viral genetic material or viral proteins (D)</p> Signup and view all the answers

Which of the following symptoms is LEAST likely to be associated with COVID-19?

<p>Hemoptysis (C)</p> Signup and view all the answers

Which of the following is a common sign of consolidation on a physical exam for bacterial pneumonia?

<p>Dullness to percussion (B)</p> Signup and view all the answers

A patient with suspected pneumonia has an oxygen saturation of 91%. Which assessment finding would MOST clearly indicate a need for hospitalization according to the provided text?

<p>Oxygen saturation &lt; 90% (B)</p> Signup and view all the answers

What is the typical progression of the cough associated with acute bronchitis?

<p>Begins as dry and nonproductive, progressing to productive (B)</p> Signup and view all the answers

Which of the following is LEAST likely to be associated with acute bronchitis?

<p>High-grade fever (C)</p> Signup and view all the answers

A patient with a persistent cough for 4 weeks, who has not responded to symptomatic treatments, should have which of the following?

<p>A chest X-ray (B)</p> Signup and view all the answers

A patient has had a persistent cough for 5 weeks with no other symptoms. According to the guidelines, this would most likely be considered:

<p>Chronic Bronchitis (C)</p> Signup and view all the answers

A patient is diagnosed with pneumonia caused by Mycoplasma pneumoniae. Which of the following is a characteristic associated with this atypical pneumonia?

<p>No organisms detectable on gram stain (B)</p> Signup and view all the answers

Which of the following is the most common viral cause of acute bronchitis?

<p>Influenza A and B viruses (D)</p> Signup and view all the answers

Which of the following would be considered a contraindication for the use of azithromycin based on the provided information?

<p>Hypokalemia (C)</p> Signup and view all the answers

Which of the following is a common clinical presentation of community-acquired pneumonia (CAP)?

<p>Fever, cough, dyspnea, and crackles on auscultation (B)</p> Signup and view all the answers

Which of the following clinical presentations most strongly suggests acute bronchitis rather than pneumonia?

<p>Cough with normal vital signs in the absence of tachypnea, tachycardia, crackles, and egophony. (C)</p> Signup and view all the answers

Which of the following bacterial pneumonias is MOST likely to be associated with a gram-positive classification and present with green-rust colored sputum?

<p>Streptococcus pneumoniae (D)</p> Signup and view all the answers

In a patient with suspected acute bronchitis, when might a bacterial cause be considered more likely?

<p>When the patient has a significant increase in the production of thick colored sputum. (B)</p> Signup and view all the answers

Which of the following signs or symptoms in a patient with acute bronchitis would suggest a need to consider an alternative diagnosis, such as pneumonia?

<p>Persistent fever (T&gt;100.4), tachypnea, and new onset of altered mental status (B)</p> Signup and view all the answers

Which of the following is NOT a typical prodromal symptom of acute bronchitis?

<p>High grade fever (B)</p> Signup and view all the answers

The cough associated with acute bronchitis is most likely to:

<p>Produce a burning, substernal pain with inspiration (C)</p> Signup and view all the answers

Which of the following physical exam findings is MOST indicative of pneumonia rather than acute bronchitis?

<p>Egophony present on chest exam (B)</p> Signup and view all the answers

According to the provided content, what C-reactive protein (CRP) level suggests a higher likelihood of pneumonia?

<p>Greater than 10 mcg/dl (C)</p> Signup and view all the answers

A patient presents with a cough for 10 days and notes sputum production most days. What is the MOST likely diagnosis, based solely on this information?

<p>Acute bronchitis (C)</p> Signup and view all the answers

Which of the following is a common initial treatment for acute bronchitis that focuses on symptom management?

<p>Supportive care: humidifiers and increased fluid intake (D)</p> Signup and view all the answers

When should a B2 adrenergic agonist, such as albuterol, be considered in the treatment of acute bronchitis according to the provided material?

<p>When the patient has a history of asthma and presents with wheezing (C)</p> Signup and view all the answers

A patient presents with a paroxysmal cough for over 2 weeks. Which of the following conditions should be included in the differential diagnosis?

<p>Pertussis (D)</p> Signup and view all the answers

A patient with a 5 day history of a productive cough, presents with a fever of 101.5°F, a heart rate of 110 bpm, and a respiratory rate of 26 breaths per minute. What is the next best diagnostic step to take?

<p>Order an immediate chest x-ray for suspected community acquired pneumonia (CAP) (D)</p> Signup and view all the answers

In what situation is the use of cough suppressants considered MOST appropriate for a patient with acute bronchitis?

<p>When the cough is severe and interfering with sleep or daily activities per PRN (B)</p> Signup and view all the answers

What is a distinguishing characteristic of atypical pneumonia compared to bacterial pneumonia, that can be seen on a chest x-ray (CXR)?

<p>Bilateral patchy alveolar densities (D)</p> Signup and view all the answers

A patient presents with a gradual onset of low-grade fever, headache, fatigue, myalgias, and a dry cough. Which of the following organisms is MOST likely the cause?

<p>Mycoplasma pneumoniae (D)</p> Signup and view all the answers

Which of the following is the most appropriate first-line antibiotic treatment regimen for a young adult diagnosed with atypical pneumonia, without any comorbidities or immunosuppression?

<p>Azithromycin 500mg on the first day, followed by 250mg daily for 4 days (D)</p> Signup and view all the answers

When is a sputum analysis MOST useful in the diagnosis of pneumonia, according to the provided information?

<p>When P. aeruginosa or MRSA are suspected as causative agents (B)</p> Signup and view all the answers

In the context of pneumonia, when are blood cultures most crucial?

<p>When a patient is hospitalized with CAP, MRSA or P. aeruginosa, or a patient who got parenteral antibiotics in last 90 days (C)</p> Signup and view all the answers

A patient is diagnosed with pneumonia, and their CXR shows ground glass opacities, bronchial wall thickening, and centrilobular nodules. Additionally, the onset of symptoms was abrupt with high fever, chills, cough, and pleuritic pain. Which type of pneumonia is MOST likely?

<p>Bacterial pneumonia caused by gram-negative bacteria (C)</p> Signup and view all the answers

Which of these is a typical finding in atypical pneumonia, that would not typically be seen in bacterial pneumonia?

<p>Maculopapular Eruptions (A)</p> Signup and view all the answers

What is the gold standard diagnostic test for pneumonia?

<p>Chest X-Ray (CXR) (C)</p> Signup and view all the answers

According to the provided information, what is the time interval between the two doses of the Moderna COVID-19 vaccine?

<p>4 weeks (28 days) (B)</p> Signup and view all the answers

How long after receiving the Johnson & Johnson/Janssen COVID-19 vaccine is an individual considered fully vaccinated?

<p>2 weeks after the shot (B)</p> Signup and view all the answers

Which of the following medication regimens is NOT a recommended first-line treatment for typical pneumonia in healthy outpatients without recent antibiotic use?

<p>Amoxicillin 1 gram TID plus doxycycline 100 mg BID (C)</p> Signup and view all the answers

According to the provided treatment guidelines, which medication is used for the treatment of both typical and atypical pneumonia?

<p>Azithromycin (B)</p> Signup and view all the answers

According to the information given, what is the minimum age for receiving the Pfizer-BioNTech Covid-19 vaccine?

<p>12 years old (C)</p> Signup and view all the answers

What is one of the potential risks, reported by the CDC, associated with COVID-19 vaccination?

<p>Myocarditis and Pericarditis (B)</p> Signup and view all the answers

According to the provided information, how is the severity of pneumonia assessed to determine the need for hospitalization?

<p>CURB-65 criteria and Pneumonia Severity Index (A)</p> Signup and view all the answers

What is the recommended frequency of doxycycline when used to treat typical pneumonia?

<p>Twice daily (A)</p> Signup and view all the answers

How can one differ between atypical and typical pneumonia?

<p>Atypical pneumonia is a gradual onset characterized by low grade fever, headache, fatigue, myalgias, dry, nonproductive cough (B)</p> Signup and view all the answers

Which patient's CXR result is accurate with atypical pneumonia?

<p>patchy alveolar densities or segmental lobar infiltrates (A)</p> Signup and view all the answers

Which patient's CXR is accurate with typical pneumonia?

<p>lobar consolidation (B)</p> Signup and view all the answers

Gold standard diagnostic tool for atypical pneumonia

<p>PCR or sputum swab (A)</p> Signup and view all the answers

Treatment for atypical pneumonia

<p>Macrolide (Azithromycin or Clarithromycin 500 mg BID 10 days)</p> Signup and view all the answers

An otherwise healthy 40 year old female with no comorbidities, recent antibiotic use, and not as risk for MRSA or r S. pneumoniae should get what treatment for typical pneumonia?

<p>Amoxicillin 1 gm TID 5-7 days A macrolide (Azithromycin)</p> Signup and view all the answers

A 75 year old male with a history of COPD and diabetes but no recent antibiotic use should receive what treatment for typical pneumonia?

<p>A macrolide + beta lactam or doxycycline (Augmentin 875/125 BID + Azithromycin 500 mg on day 1 and 250 mg daily)</p> Signup and view all the answers

What type of medication should be avoided in pneumonia treatment due to thick secretions and the cough reflex?

<p>Cough medicines (A)</p> Signup and view all the answers

Signup and view all the answers

What can be used at night for more restorative sleep in patients with pneumonia?

<p>Codeine (C)</p> Signup and view all the answers

Flashcards

Acute Bronchitis

A self-limited viral inflammation of the bronchi, characterized by a cough lasting 1 to 3 weeks.

Symptoms of Acute Bronchitis

Persistent cough, low-grade fever, headache, wheezing, sore throat, and malaise without high fever.

Duration of Cough

Cough must last at least 5 days for it to be classified as acute bronchitis but resolves within 3 weeks.

Viral Causes

Viruses cause 90% of acute bronchitis cases, including Influenza A & B, adenovirus, and rhinovirus.

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Bacterial Causes

Bacterial infections (5-10% cases) mainly include Streptococcus pneumoniae and Hemophilus influenzae.

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Incidence in Older Adults

Acute bronchitis is most common in patients over 50 years old and smokers.

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Fever in Acute Bronchitis

Low-grade fever or no fever indicates acute bronchitis; high fever suggests pneumonia.

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Differentiating Signs

Normal vital signs (absence of crackles, tachycardia) alongside non-high fever support acute bronchitis diagnosis.

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Acute Bronchitis Diagnosis

Diagnosis is made if cough lasts > 7 days without consolidation.

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Lung Examination Findings

No lung consolidation; clear breath sounds upon auscultation.

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Bacterial vs. Viral Fever

Elevated temperature indicates bacterial infection; afebrile to low-grade suggests viral.

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CXR Utility

Chest X-ray is useful if symptoms suggest pneumonia, especially with fever, tachycardia, or tachypnea.

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Cough Duration & Differential

Chronic if cough lasts > 3 weeks; consider other conditions like asthma or COPD.

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C-reactive Protein (CRP) Level

Elevated CRP (>10 mcg/dl) indicates a higher likelihood of pneumonia.

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Supportive Treatment

Includes humidifiers, fluids, and antipyretics; resolves within weeks.

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Antibiotics Use

Antibiotics are prescribed only for confirmed bacterial infections, such as pertussis.

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Pulmonary Embolus

A blockage in a pulmonary artery, often due to blood clots from DVT, causing pleuritic chest pain, dyspnea, and tachycardia.

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Heart Failure Symptoms

Signs include shortness of breath that worsens with exertion, pitting edema, and a dry cough; physical exam may show S3 and elevated JVD.

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COVID-19 Symptoms

Common early signs include fever, dry cough, shortness of breath, fatigue, chills, and gastrointestinal issues.

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COVID-19 Pneumonia

Severe lung inflammation caused by COVID-19 that can lead to ARDS and difficulty breathing due to alveolar damage.

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Types of COVID-19 Tests

Tests to determine current or past infection, including viral tests (NAATs, antigen) and antibody tests for past infections only.

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Typical Pneumonia Symptoms

Abrupt onset with fever, chills, cough, pleuritic pain, and consolidation.

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Bronchopneumonia CXR Findings

Shows ground glass opacities, bronchial wall thickening, and confluent areas of consolidation.

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Atypical Pneumonia Causes

Caused by nonbacterial organisms like Mycoplasma, Chlamydia, and Legionella.

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Atypical Pneumonia Symptoms

Gradual onset with low-grade fever, headache, fatigue, and dry cough.

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Atypical Pneumonia Physical Exam

Reveals fine crackles/rales, no signs of consolidation, and clear mucus.

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Atypical Pneumonia Diagnostics

PCR or sputum swab are gold standards for diagnosing atypical pneumonia.

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Pneumonia CXR Findings

Lobar consolidation, cavitation, and large pleural effusions in bacterial pneumonia on CXR.

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Pneumonia Treatment Options

Common treatments include Azithromycin, Clarithromycin, and Doxycycline for atypical pneumonia.

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Pfizer-BioNTech Vaccine

Vaccine for individuals 12 years and older, requiring 2 shots 3 weeks apart.

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Moderna Vaccine

Vaccine for individuals 18 years and older, requiring 2 shots 4 weeks apart.

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Johnson & Johnson Vaccine

Single-shot vaccine for individuals 18 years and older, fully effective after 2 weeks.

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Myocarditis and Pericarditis

Inflammation conditions reported after COVID-19 vaccination, mostly in young adults.

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Combination Therapy for Pneumonia

Treatment for healthy patients using beta lactam + macrolide or doxycycline.

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Atypical Pneumonia Treatment

Use macrolide or fluoroquinolone antibiotics for outpatient treatment.

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CURB-65 Criteria

Severity assessment tool to determine hospitalization needs for pneumonia patients.

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Pneumonia Severity Index

Tool to evaluate the need for hospitalization in pneumonia cases.

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Azithromycin Contraindications

Avoid using Azithromycin in cases of QT prolongation, torsades de pointes, bradyarrhythmias, and uncompensated heart failure.

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Acute Bronchitis Treatment

No antibiotics are recommended for immunocompetent adults with productive cough attributed to acute bronchitis.

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Hospitalization Criteria

Hospitalization is needed for progressive dyspnea, oxygen saturation < 90%, or signs of sepsis.

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Pneumonia Statistics

Pneumonia is a leading cause of morbidity and mortality, especially in older adults and young children under 5.

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Typical vs Atypical Pneumonia

Typical pneumonia is primarily caused by Streptococcus pneumoniae, while atypical pneumonia involves organisms undetected by Gram stain.

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CAP Diagnosis

In Community Acquired Pneumonia (CAP), the diagnosis is made using history and physical exam, not usually requiring identification of the causative agent.

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Clinical Manifestations of CAP

Symptoms include fever, chills, cough, dyspnea, and crackles; chest X-ray may be normal initially.

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Leading Causes of CAP

Streptococcus pneumoniae is the leading cause of bacterial pneumonia across all age groups, characterized by high fever and productive cough.

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Definition of Acute Bronchitis

Inflammation of trachea and major bronchi; self-limited.

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Common Symptoms

Cough lasting 1-3 weeks, often with low-grade fever and malaise.

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Main Causes

90% viral; includes Influenza, adenovirus, and RSV.

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Cough Duration for Diagnosis

Cough must last at least 5 days, resolves within 3 weeks.

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Fever Indication

Low-grade fever in bronchitis; high fever signals pneumonia.

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Signs of Acute Bronchitis

Normal vital signs with cough, may present rhonchi or wheezing.

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Incidence Factors

Higher incidence in smokers and individuals over 50 years old.

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Chronic vs Acute

Cough lasting more than 2 months indicates chronic bronchitis.

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Signs of Pneumonia

Symptoms include fever, cough, dyspnea, and pleuritic chest pain.

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Typical Pneumonia Bacteria

Typical pneumonia primarily caused by Streptococcus pneumoniae, leading to high fever and cough.

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Atypical Pneumonia Organisms

Atypical pneumonia caused by organisms like Mycoplasma pneumoniae, undetectable by Gram stain.

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Hospitalization Criteria for Pneumonia

Hospitalization needed for progressive dyspnea, oxygen saturation < 90%, or sepsis signs.

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Pneumonia in Children

Pneumonia is the 2nd leading cause of death in children under 5 years old.

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Pneumonia Clinical Exam Findings

Auscultation reveals crackles, dullness to percussion, and egophony signs of consolidation.

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Pneumonia Risk Factors

Older adults and those with chronic diseases are at higher risk for pneumonia.

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CXR Findings in Pneumonia

Chest X-ray can show lobar consolidation, cavitation, or may be normal early in disease.

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Acute Bronchitis Diagnosis Criteria

Diagnosis is confirmed if cough lasts > 7 days without lung consolidation.

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CXR Indications

Chest X-ray is needed if pneumonia is suspected, especially with high fever or tachycardia.

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Chronic Bronchitis Conditions

Consider chronic bronchitis if cough lasts > 3 weeks with sputum production.

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C-reactive Protein (CRP) Significance

CRP levels >10 mcg/dl indicate a higher likelihood of pneumonia.

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Supportive Care for Acute Bronchitis

Includes humidifiers, fluids, and antipyretics; typically resolves within weeks.

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Antibiotics in Acute Bronchitis

Antibiotics are prescribed only for confirmed bacterial infections, like pertussis.

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Signs of Bacterial Infection

Elevated temperature typically indicates a bacterial cause rather than viral.

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Treatment for Wheezing

B2 adrenergic agonists like albuterol are used for wheezing if there’s a past asthma history.

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Pulmonary Embolus Symptoms

Signs include dyspnea, hemoptysis, pleuritic chest pain, tachycardia, and tachypnea.

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Heart Failure Signs

Symptoms include SOB worsening with exertion, pitting edema, and dry cough. Exam may show S3 and elevated JVD.

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Tuberculosis Symptoms

Common signs include fever, anorexia, fatigue, night sweats, productive cough with blood-stained sputum, and weight loss.

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COVID-19 Early Symptoms

Common signs include fever, dry cough, shortness of breath, fatigue, chills, and gastrointestinal symptoms.

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COVID-19 Pneumonia Effects

Severe lung inflammation possibly leading to ARDS and difficulty breathing due to alveolar damage.

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Symptoms of Atypical Pneumonia

Gradual onset with low-grade fever, headache, fatigue, and dry cough.

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Atypical Pneumonia Risk Groups

Infection rates highest among younger school-age children, military recruits, and college students.

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Atypical Pneumonia Physical Exam Findings

Reveals fine crackles/rales with no consolidation and clear mucus.

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CXR Findings in Atypical Pneumonia

Bilateral patchy alveolar densities or segmental lobar infiltrates, atelectasis, and small pleural effusions.

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Gold Diagnostic for Atypical Pneumonia

PCR or sputum swab are the gold standards for diagnosis.

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Pneumonia Diagnosis Using CXR

Chest X-ray reliably shows infiltrates but may be normal in pneumonia cases.

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Typical vs Atypical Pneumonia Causes

Typical pneumonia caused by bacteria like Streptococcus; atypical involves nonbacterial organisms.

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Treatment for Atypical Pneumonia

Azithromycin, Clarithromycin, Doxycycline, or Levofloxacin are common treatment options.

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Signs and Symptoms of Acute Bronchitis

Main symptom is persistent cough, often dry initially, may produce light colored sputum and cause burning pain.

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Common Prodromal Symptoms

Includes rhinorrhea, sore throat, malaise, low-grade fever; present in many cases of acute bronchitis.

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Cough Characteristics

Cough may start dry and nonproductive but becomes productive as the illness progresses; pain may accompany inspiration.

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High-Grade Fever in Acute Bronchitis

High-grade fever is uncommon in acute bronchitis; its presence suggests pneumonia.

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Cough Duration for Acute Bronchitis

Cough must last for at least 5 days and resolves within 3 weeks to be classified as acute bronchitis.

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Acute vs Chronic Bronchitis

Cough lasting more than 2 months indicates chronic bronchitis; acute resolves in weeks.

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Incidence Factors of Acute Bronchitis

Higher incidence in smokers and individuals over age 50; these groups are at greater risk.

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Resolution Timeline of Acute Bronchitis

Acute bronchitis is typically self-limited, resolving within weeks without treatment.

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Signs of Tuberculosis

Fever, anorexia, night sweats, blood-stained sputum, and weight loss are typical.

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COVID-19 Testing Types

Includes viral tests for active infection (NAATs, antigen) and antibody tests for past infections.

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Contraindications for Azithromycin

Azithromycin is contraindicated in QT prolongation, torsades de pointes, bradyarrhythmias, and uncompensated heart failure.

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Pneumonia Morbidity

Pneumonia is a leading cause of morbidity and mortality, especially in older adults and children under 5.

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Symptoms of CAP

Clinical manifestations of community-acquired pneumonia (CAP) include fever, chills, cough, dyspnea, and crackles.

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Need for Hospitalization

Hospitalization is needed for progressive dyspnea, oxygen saturation below 90%, or signs of sepsis.

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Bacterial Pneumonia Signs

Bacterial pneumonia often presents with abrupt onset high fever, shaking chills, productive cough, and pleuritic chest pain.

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Criteria for Reevaluation

Reevaluation is necessary if symptoms do not respond to treatment and persist for more than 3 weeks.

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Atypical Pneumonia Characteristics

Gradual onset with low-grade fever, dry cough, and myalgias.

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Atypical Pneumonia Common Causes

Caused by Mycoplasma, Chlamydia, and Legionella.

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Risk Groups for Atypical Pneumonia

Highest infection rates in younger groups: children, military recruits, and college students.

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Gold Standard for Atypical Pneumonia Diagnosis

PCR or sputum swab are the best diagnostic tests.

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CXR Utility in Diagnosing Pneumonia

CXR confirms new infiltrates; may be normal even in pneumonia cases.

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Treatment Options for Atypical Pneumonia

Commonly treated with Azithromycin, Clarithromycin, or Doxycycline.

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Myocarditis and Pericarditis Risks

Inflammation conditions reported post COVID-19 vaccination, particularly in younger adults.

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Acute Bronchitis Physical Exam

Typically shows clear breath sounds, no lung consolidation.

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CXR in Acute Bronchitis

Chest X-ray is useful if pneumonia is suspected with high fever or tachycardia.

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Differential Diagnosis

Consider asthma, pneumonia, or COPD if cough lasts longer than 3 weeks.

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C-reactive Protein Significance

Elevated levels (>10 mcg/dl) indicate a higher likelihood of pneumonia.

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Symptoms Indicating Bacterial Infections

High fever suggests bacterial infection, while low-grade typically indicates viral.

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Study Notes

Acute Bronchitis

  • Acute bronchitis is a viral inflammation of the trachea and major bronchi, typically lasting 1-3 weeks.
  • It starts as an upper respiratory infection (URI).
  • It often resolves without pneumonia.
  • Common causes include influenza A and B viruses, rhinovirus, coronavirus, adenovirus, RSV, parainfluenza and human metapneumovirus.
  • Bacterial causes are less common (5-10%), with Streptococcus pneumoniae and Haemophilus influenzae being most prevalent.
  • Atypical causes include Mycoplasma pneumoniae and M. pertussis.
  • Patients often present with a cough lasting at least 5 days. A cough that persists for more than 2 months is considered chronic.
  • Increased incidence is noted in smokers.
  • Most common in patients >50 years old.
  • Viral causes account for approximately 90% of cases.

Clinical Presentation

  • Cough (often dry initially, becoming productive as the illness evolves), impacting sleep.
  • Headaches.
  • Wheezing (possible).
  • Common symptoms include runny nose, sore throat, general malaise, and low-grade fever.
  • High-grade fever is unusual and suggests another underlying condition.
  • Normal vital signs are usually present.
  • Light-colored sputum production is common.

Physical Examination

  • No lung consolidation or abnormalities.
  • Clear breath sounds.
  • Resonance to percussion is normal.
  • Possibly upper airway rhonchi (coarse rales) noticeable while coughing.
  • Temperature: afebrile or only low-grade (viral); elevated (possible bacterial).

Diagnostic Considerations

  • Usually no labs are necessary.
  • Chest X-ray is indicated only if the diagnosis isn't clear or another condition is suspected.
  • CXR may show pneumonia or other conditions, but it's not routinely used for acute bronchitis.
  • Specific tests are usually taken when investigating possibility of CAP (community-acquired pneumonia). These tests are indicated when fever, tachycardia, or tachypnea are present.
  • Elevated CRP (>10 mcg/dl) may indicate the likelihood of pneumonia.

Differential Diagnosis

  • Consider acute bronchitis if the cough lasts more than 7 days, but less than 3 weeks.
  • Acute bronchitis is a cough that lasts most days of the month for 3 consecutive months or more.
  • Other possible diagnoses include asthma, upper respiratory infection (URI), other respiratory infections (such as sinusitis), bronchiectasis, and chronic cough.
  • Other conditions to consider include asthma, bronchiolitis, sinusitis, COPD, GERD, HF, pertussis, viral pharyngitis, pneumonia, pulmonary embolism, if the cough lasts longer than 3 weeks.
  • Asthma, bronchiolitis, sinusitis, COPD, GERD, HF, pertussis, viral pharyngitis, pneumonia, PE are other possible diagnoses if the cough lasts longer than 3 weeks.

Treatment

  • Supportive care: humidifiers, rest, increased fluids, fever reducers.
  • Antipyretics (like Tylenol) for fever and pain.
  • Cough suppressants are used cautiously.
  • Antibiotics are typically not required unless a bacterial cause is determined.
  • Antibiotic therapy is reserved for bacterial cause and only in specific cases (such as pertussis , uncompensated HF).
  • Hospitalization is considered in cases of severe symptoms, such as progressive dyspnea, oxygen saturation < 90% or sepsis.
  • Patients who don't respond to treatment within 3 weeks should undergo a chest X-ray. This should be considered if symptoms persist despite appropriate treatment.

Pneumonia:

  • Pneumonia is a leading cause of morbidity and mortality among older adults and children under five years old.
  • Classifications of pneumonia are based on typical or atypical causes.
  • Community-acquired pneumonia (CAP) is typically caused by Streptococcus pneumoniae (60-70% of bacterial cases).
  • Atypical causes include Mycoplasma pneumoniae, Chlamydophila pneumoniae, Legionella species, and respiratory viruses.

Pneumonia Clinical Presentation

  • Often presents with fever, chills, malaise, and cough (often with sputum).
  • Hemoptysis (coughing up blood) may occur.
  • Shortness of breath and pleuritic chest pain may be noted.
  • Auscultation can reveal crackles/rales that do not clear with coughing.
  • Physical signs include consolidation with dullness to percussion, and bronchial breath sounds.
  • CXR can show focal infiltrates, a characteristic sign of pneumonia.

Pneumonia Patient Education

  • Provide guidelines regarding antibiotic use and possible side effects.
  • Follow-up in 24-48 hours following treatment initiation. (by phone or in person)
  • Encourage drinking sufficient fluids.
  • Avoid use of cough medicine if it prevents expectoration.
  • Patients at risk should receive yearly vaccines against pneumonia and influenza.
  • Practicing respiratory hygiene (hand sanitizer, masks, social distancing), daily exercise, and following a healthy diet are all important prevention.
  • Those with COVID should receive supplemental precautions.

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