Respiratory Conditions Overview

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Questions and Answers

A patient presents with a chronic cough, fatigue, and night sweats. Sputum samples show the presence of acid-fast bacilli. Which of the following is the MOST appropriate next step in managing this patient?

  • Start the patient on a multi-drug anti-tuberculosis regimen after confirming with a nucleic acid amplification test (NAAT). (correct)
  • Initiate a broad-spectrum antibiotic such as azithromycin to cover common bacterial infections.
  • Order a chest CT scan to rule out other potential causes of chronic cough, such as lung cancer.
  • Prescribe an antitussive medication to alleviate the cough and improve patient comfort.

A child presents with fever, cough, and marked wheezing, especially during expiration. The pediatrician suspects bronchiolitis. Which of the following management strategies is LEAST appropriate in managing this condition?

  • Monitor oxygen saturation and provide supplemental oxygen to maintain saturation above 90%.
  • Administer a trial of bronchodilators like albuterol to assess response in airway reactivity.
  • Provide supportive care, including nasal suctioning and adequate hydration.
  • Prescribe routine antibiotics to prevent secondary bacterial infections. (correct)

A patient with a history of asthma presents with acute dyspnea, wheezing, and a peak expiratory flow (PEF) rate at 40% of their personal best. After initial treatment with a short-acting beta-agonist, the patient shows minimal improvement. Which of the following is the MOST appropriate next step in managing this acute asthma exacerbation?

  • Administer a systemic corticosteroid (e.g., oral prednisone or intravenous methylprednisolone). (correct)
  • Discharge the patient with instructions to follow up with their primary care physician in 1 week.
  • Immediately intubate the patient due to the lack of response to initial bronchodilator therapy.
  • Administer a leukotriene receptor antagonist such as montelukast.

A patient with a history of travel to the southwestern United States presents with cough, fever, and fatigue. A chest X-ray reveals pulmonary infiltrates and hilar lymphadenopathy. Serological testing is positive for Coccidioides. Which of the following interventions is MOST appropriate for this patient?

<p>Initiating treatment with an antifungal medication such as fluconazole or itraconazole. (B)</p> Signup and view all the answers

Which of the following clinical findings would be MOST concerning as a red flag in a patient presenting with hemoptysis?

<p>Massive hemoptysis (greater than 200 mL) in a 24-hour period associated with hypotension and respiratory distress. (B)</p> Signup and view all the answers

A previously healthy adult presents with a sudden onset of dyspnea, pleuritic chest pain, and a non-productive cough following a long-haul flight. The patient's oxygen saturation is 88% on room air. Which of the following is the MOST critical initial step in managing this patient?

<p>Initiating anticoagulation therapy and ordering a CT pulmonary angiogram (CTPA) to rule out pulmonary embolism. (A)</p> Signup and view all the answers

A 6-month-old infant presents with rhinorrhea, cough, and wheezing. The infant has a fever of 101°F (38.3°C) and increased work of breathing. The physician suspects Respiratory Syncytial Virus (RSV) bronchiolitis. Which of the following is the MOST effective intervention to reduce the risk of severe disease in high-risk infants?

<p>Administering palivizumab, a monoclonal antibody, to prevent RSV infection. (A)</p> Signup and view all the answers

A patient presents with a persistent cough that has lasted for more than 3 weeks. The cough is dry, non-productive, and is exacerbated by exposure to irritants like smoke and dust. The patient denies fever, shortness of breath, or other systemic symptoms. Which of the following is the MOST appropriate initial diagnostic test to evaluate this patient's chronic cough?

<p>Chest X-ray to evaluate for structural lung abnormalities. (D)</p> Signup and view all the answers

A construction worker presents to the clinic complaining of acute onset of dyspnea. Upon auscultation, you note stridor. Which of the following is the MOST likely diagnosis?

<p>Foreign Body Aspiration (B)</p> Signup and view all the answers

Which of the following physical exam findings would be MOST suggestive of pneumonia rather than simple bronchitis?

<p>Focal crackles and egophony in the right lower lobe. (C)</p> Signup and view all the answers

An elderly patient with a history of COPD presents to the emergency department with worsening dyspnea, increased sputum production, and fever. The patient's arterial blood gas shows a pH of 7.30, PaCO2 of 60 mmHg, and PaO2 of 55 mmHg. Which of the following is the MOST appropriate initial intervention for this patient?

<p>Initiate non-invasive positive pressure ventilation (NIPPV) to improve oxygenation and ventilation. (D)</p> Signup and view all the answers

Which of the following diagnostic tests is MOST useful in differentiating between influenza and COVID-19 in a patient presenting with acute respiratory symptoms?

<p>Rapid antigen test for influenza and SARS-CoV-2. (B)</p> Signup and view all the answers

A patient with a known history of asthma is admitted to the hospital for an acute exacerbation. Despite initial treatment with oxygen, nebulized beta-agonists, and systemic corticosteroids, the patient's condition continues to worsen, and they develop altered mental status. Which of the following is the MOST appropriate next step in managing this patient?

<p>Prepare for intubation and mechanical ventilation. (C)</p> Signup and view all the answers

A 2-year-old child is brought to the emergency department with sudden onset of cough, stridor, and difficulty breathing. The parents report that the child was playing with small toys just before the symptoms started. Which of the following is the MOST appropriate immediate intervention for this child?

<p>Perform back blows and abdominal thrusts to dislodge the foreign object. (C)</p> Signup and view all the answers

Which of the following is the MOST important component of patient education for individuals diagnosed with acute bronchitis to prevent overuse of antibiotics?

<p>The distinction between bacterial and viral infections and the ineffectiveness of antibiotics against viruses. (B)</p> Signup and view all the answers

A patient presents with dyspnea and is suspected of having a pulmonary issue. The emergency physician wants to quickly differentiate between cardiac and pulmonary etiologies of dyspnea. Which of the following would be MOST appropriate?

<p>Order a B-type natriuretic peptide (BNP). (D)</p> Signup and view all the answers

Which of the following is the MOST appropriate referral for a patient with suspected tuberculosis?

<p>Infectious Disease Specialist (B)</p> Signup and view all the answers

When should a cough warrant a referral to a pulmonologist?

<p>When it is associated with dyspnea and hemoptysis. (D)</p> Signup and view all the answers

A patient is diagnosed with pneumonia and started on antibiotics. When is the MOST appropriate time for follow up?

<p>Within 24-48 hours of staring antibiotics. (D)</p> Signup and view all the answers

Which is the BEST approach to treating an uncomplicated upper respiratory infection?

<p>Supportive care. (C)</p> Signup and view all the answers

Flashcards

Bronchitis

Inflammation of the bronchi, often caused by viral infection.

Valley Fever

Fungal infection caused by Coccidioides immitis or C. posadasii.

Acute Asthma Exacerbation

Sudden worsening of asthma symptoms (wheezing, coughing, shortness of breath).

COVID-19

Infectious disease caused by SARS-CoV-2.

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Bronchiolitis

Common respiratory infection that affects the small airways (bronchioles) in young children and infants.

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Cough

A reflex action to clear airways, can be acute or chronic.

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Upper Respiratory Infections (URIs)

Viral or bacterial infections affecting the nose, throat, and upper airways.

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Respiratory Syncytial Virus (RSV)

A virus that causes infection of the lungs and breathing passages

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Influenza (Flu)

Viral infection that attacks the respiratory system, including the nose, throat, and lungs.

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Dyspnea

Difficulty breathing or shortness of breath

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Pneumonia

Infection of the lung(s), often caused by bacteria, viruses, or fungi.

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Hemoptysis

Coughing up blood or blood-stained mucus from the respiratory tract.

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Tuberculosis (TB)

Infectious disease caused by Mycobacterium tuberculosis, typically affecting the lungs.

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Foreign Body Aspiration

Obstruction of the airway caused by swallowing or inhaling an object

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Study Notes

  • Overview of common respiratory conditions including bronchitis, valley fever, acute asthma exacerbation, COVID-19, bronchiolitis, cough, upper respiratory infections (URIs), respiratory syncytial virus (RSV), influenza, dyspnea, pneumonia, hemoptysis, tuberculosis, and foreign body aspiration.

Bronchitis

  • Inflammation of the bronchial tubes, causing cough with mucus.
  • Diagnosis involves assessing symptoms and ruling out other conditions like pneumonia.
  • Red flags include difficulty breathing, high fever, and chest pain.
  • Treatment is typically supportive with rest, fluids, and cough suppressants.
  • Patient education focuses on avoiding irritants and proper hand hygiene.

Valley Fever (Coccidioidomycosis)

  • Fungal infection caused by Coccidioides immitis.
  • Diagnosis includes lab tests and imaging.
  • Red flags are severe chest pain, shortness of breath, and systemic symptoms.
  • Treatment may involve antifungal medications and supportive care.

Acute Asthma Exacerbation

  • Sudden worsening of asthma symptoms, such as wheezing and shortness of breath.
  • Diagnosis involves assessing respiratory function and triggers.
  • Red flags are severe respiratory distress and cyanosis.
  • Treatment includes bronchodilators and corticosteroids.
  • Patient education focuses on proper inhaler technique and trigger avoidance.

COVID-19

  • Viral infection caused by SARS-CoV-2 with symptoms ranging from mild to severe.
  • Diagnosis involves PCR testing
  • Red flags include difficulty breathing, persistent chest pain, and confusion.
  • Treatment: Varies based on severity, may include antiviral medications and supportive care.

Bronchiolitis

  • Viral infection affecting the small airways in infants and young children.
  • Diagnosis is typically clinical, based on symptoms.
  • Red flags include severe respiratory distress and dehydration.
  • Treatment is primarily supportive.
  • Patient education focuses on recognizing signs of worsening respiratory distress.

Cough

  • A reflex to clear the airways of irritants or mucus, can be acute or chronic.
  • Diagnosis involves assessing the characteristics and associated symptoms.
  • Red flags include hemoptysis, difficulty breathing, and persistent cough.
  • Treatment depends on the underlying cause.

Upper Respiratory Infections (URIs)

  • Infections of the nose, throat, and upper airways, commonly caused by viruses.
  • Diagnosis is typically clinical, based on symptoms like cough, congestion, and sore throat.
  • Red flags include high fever, difficulty breathing, and dehydration.
  • Treatment: Symptomatic relief with rest, fluids, and over-the-counter medications.

Respiratory Syncytial Virus (RSV)

  • Common viral infection causing bronchiolitis and pneumonia, especially in infants.
  • Diagnosis involves clinical assessment and sometimes lab testing.
  • Red flags include severe respiratory distress and apnea.
  • Treatment is primarily supportive.

Influenza

  • Viral infection causing fever, cough, body aches, and fatigue.
  • Diagnosis involves rapid influenza testing (swab).
  • Red flags include difficulty breathing, chest pain, and altered mental status.
  • Treatment may include antiviral medications.

Dyspnea

  • Shortness of breath.
  • Diagnosis involves assessing underlying causes, such as asthma or heart failure.
  • Red flags include sudden onset, severe respiratory distress, and chest pain.
  • Treatment targets the underlying cause.

Pneumonia

  • Infection of the lungs causing inflammation and fluid buildup.
  • Diagnosis involves chest X-rays and lab tests.
  • Red flags include severe respiratory distress, sepsis, and altered mental status.
  • Treatment includes antibiotics and supportive care.

Hemoptysis

  • Coughing up blood.
  • Diagnosis involves identifying the source and cause of bleeding.
  • Red flags include large amounts of blood.
  • Treatment depends on the underlying cause.

Tuberculosis

  • Bacterial infection caused by Mycobacterium tuberculosis, usually affecting the lungs.
  • Diagnosis involves sputum tests, skin tests, and chest X-rays.
  • Red flags include hemoptysis, night sweats, and weight loss.
  • Treatment includes a long course of antibiotics.

Foreign Body Aspiration

  • Inhalation of an object into the airway.
  • Diagnosis involves history and imaging.
  • Red flags include sudden onset of choking, coughing, and difficulty breathing.
  • Treatment involves removing the foreign object.

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