Arterial Blood Gases (ABG) and Acid-Base Imbalances
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Questions and Answers

What condition results in an increased retention of carbon dioxide in the body?

  • Metabolic Acidosis
  • Respiratory Alkalosis
  • Metabolic Alkalosis
  • Respiratory Acidosis (correct)
  • What is a common symptom of both influenza and verrucous tonsillitis?

  • Nausea
  • Cough
  • Photosensitivity
  • Fever (correct)
  • What is the normal range of blood pH in mmHg?

  • 7.35 to 7.45 (correct)
  • 22 to 26
  • 35 to 45
  • 80 to 100
  • What is the ROME mnemonic used for?

    <p>To distinguish between respiratory and metabolic compensation mechanisms (D)</p> Signup and view all the answers

    Which of these is a possible complication of influenza?

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

    Which of these is NOT a medical management recommendation for influenza?

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

    What is a common cause of metabolic acidosis?

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

    What is the normal range of P$O_2$?

    <p>80 to 100 (B)</p> Signup and view all the answers

    What is the primary mode of transmission for influenza?

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

    Which of these is a symptom specifically mentioned for verrucous tonsillitis?

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

    Which condition can be caused by conditions that affect normal breathing?

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

    Which of the following is NOT a clinical manifestation of croup?

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

    Which of the following conditions can be caused by excessive diuretics?

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

    Which of the following conditions could be caused by drug use?

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

    What is the primary cause of acute rhinitis?

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

    Which of the following is a common complication of tonsillitis?

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

    What is the medical management for bacterial croup?

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

    Which of the following is NOT typically used in the medical management of acute rhinitis?

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

    Which of the following is a recommended action to minimize irritation when dealing with tonsillitis?

    <p>Avoid aspirin. (B)</p> Signup and view all the answers

    A surgical opening in the trachea for insertion of a breathing tube is called a:

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

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

    <p>Thick nasal discharge (A)</p> Signup and view all the answers

    What is the common cause of epistaxis?

    <p>Congestion of the nasal membranes leads to capillary rupture (C)</p> Signup and view all the answers

    What is the recommended position for a patient with epistaxis?

    <p>Sitting upright and leaning forward (D)</p> Signup and view all the answers

    What is the purpose of nasal packing in treating epistaxis?

    <p>To tamponade any bleeds (B)</p> Signup and view all the answers

    What is a sign that might indicate posterior epistaxis?

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

    What is a common cause of a deviated septum?

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

    Which of the following is NOT a clinical manifestation of a deviated septum?

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

    What is the medical management for a deviated septum?

    <p>Surgery to reconstruct the septum (A)</p> Signup and view all the answers

    Which of the following symptoms are commonly associated with sinusitis?

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

    What is a common symptom of allergic rhinitis?

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

    What is the primary cause of pharyngitis?

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

    What is a recommended treatment for bacterial sinusitis?

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

    What is a common symptom of laryngitis?

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

    What is a recommended treatment for bacterial tonsillitis?

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

    What is a common clinical manifestation of tonsillitis?

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

    What type of treatment is typically recommended for viral laryngitis?

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

    What is a common cause of allergic rhinitis?

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

    Which of the following is a diagnostic test for allergies?

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

    What is a clinical manifestation of obstructive sleep apnea?

    <p>Excessive daytime fatigue (A)</p> Signup and view all the answers

    What medication class is commonly used for treating allergic rhinitis?

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

    Which diagnostic test is used to assess breathing and brain activity during sleep?

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

    What is a severe medical management option for obstructive sleep apnea?

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

    Which of the following is NOT a common risk factor for obstructive sleep apnea?

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

    What is the primary type of cancer associated with the larynx?

    <p>Squamous cell carcinoma (A)</p> Signup and view all the answers

    Flashcards

    Metabolic Alkalosis

    A condition due to loss of acid or gain of base, increasing blood pH.

    Causes of Metabolic Alkalosis

    Includes vomiting, diuretic overuse, NG suction, adrenal disease, laxatives, alcohol, and bicarbonate ingestion.

    Epistaxis

    Bleeding from the nose due to capillary rupture in congested nasal membranes.

    Medical Management for Epistaxis

    Includes sitting upright, applying pressure, using ice, nasal packing, and rhinoscopy.

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    Anterior vs Posterior Epistaxis

    Anterior is more common and less severe; posterior is less common and more severe.

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    Deviated Septum

    A condition where the nasal septum deviates from the midline, causing airflow obstruction.

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    Clinical Manifestations of Deviated Septum

    Includes snoring, shortness of breath, and postnasal drip due to obstruction.

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    Allergic Rhinitis

    An antigen-antibody reaction causing inflammation in nasal membranes and conjunctiva.

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    Arterial Blood Gases (ABG)

    Tests that measure pH, CO2, and HCO3 in the blood.

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    Normal pH range

    The normal pH level in the blood is between 7.35 to 7.45.

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    Metabolic Acidosis

    A condition with acid accumulation due to kidney issues.

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    Respiratory Alkalosis

    A decrease in CO2 due to hyperventilation.

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    ROME

    An acronym for analyzing ABGs: Respiratory Opposite, Metabolic Even.

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    Respiratory Acidosis

    Retention of CO2 due to respiratory problems.

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    Causes of Metabolic Acidosis

    Commonly due to renal failure or DKA.

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    Bicarbonate Level Normal Range

    Normal HCO3 level is between 22 to 26.

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    Influenza (The Flu)

    A viral infection spread by droplets, contagious 24 hours prior to symptoms.

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    Clinical Manifestations of Influenza

    Symptoms include muscle pain, fever, cough, and fatigue.

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    Medical Management for Influenza

    Treatment includes antivirals, fluids, analgesics, rest, and humidifiers.

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    Verrucous Tonsillitis

    Inflammation of the tonsils, often viral, leading to potential bacterial infection.

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    Complications of Influenza

    Possible complications are sinusitis, pneumonia, and otitis media.

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    Common Allergens

    Substances like trees, grass, and dust that cause allergic reactions.

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    Skin Tests

    Diagnostic tests that expose skin to allergens for allergy detection.

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    Apnea

    The temporary cessation of breathing during sleep.

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    Obstructive Sleep Apnea

    A sleep disorder with upper airway obstruction causing breathing issues.

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    Polysomnography

    A test to assess sleep patterns and detect sleep disorders.

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    CPAP

    A device providing Continuous Positive Airway Pressure for sleep apnea.

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    Cancer of the Larynx

    A type of cancer typically arising as squamous cell carcinoma.

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    Tonsillitis Complications

    Common complications include peritonsillar abscess, acute glomerulonephritis, sinusitis, rheumatic fever, and otitis media.

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    Laryngotracheitis (Croup)

    Inflammation of the larynx and trachea, often caused by a virus, leading to respiratory distress.

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    Clinical Manifestations of Croup

    Symptoms of croup include respiratory distress, hoarseness, voice loss, irritated throat, and persistent dry cough.

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    Medical Management for Croup

    Bacterial cases require antibiotics; viral cases rely on supportive care and antipyretics for fever reduction.

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    Acute Otitis Media

    Ear infection usually related to strep bacteria, causing middle ear inflammation.

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    Clinical Manifestations of Acute Rhinitis

    Symptoms include runny nose, cough, sore throat, watery eyes, and earache, appearing 24-48 hours post-exposure.

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    Medical Management for Acute Rhinitis

    Treatments include analgesics, antipyretics, cough suppressants, expectorants, and increased fluids.

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    Artificial Airway

    Used in airway obstruction, includes tracheostomy and Heimlich maneuver to restore airflow.

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    Laryngitis

    Inflammation of the larynx, caused by virus or bacteria, or vocal strain.

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    Sinusitis

    Inflammation of the sinuses due to upper respiratory infections, viral or bacterial.

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    Pharyngitis

    Inflammation of the pharynx, commonly viral, may occur with colds.

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    Tonsillitis

    Inflammation of the tonsils, can be viral or bacterial, characterized by sore throat.

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    Clinical Manifestations of Laryngitis

    Respiratory distress, hoarseness, voice loss, irritated throat.

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    Medical Management for Sinusitis

    Bacterial sinusitis treated with antibiotics, analgesics, and nasal sprays.

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    Complications of Sinusitis

    Potential spread of infection causing meningitis and osteomyelitis.

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    Post-Tonsillectomy Care

    Avoid cold liquids; focus on hydration after tonsil surgery.

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    Metabolic acidosis

    Reduction of HCO3

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    Respiratory Acidosis

    Caused by a lung disease or condition that effects normal breathing

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    Allergic rhinitis skin test

    Radioallergosorbent test (RAST)

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    Cancer of larynx

    Over 60, male, smoke and alcohol, chronic laryngitis, vocal abuse, history in family

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    Cancer of larynx

    Hoarseness, pain radiating to ear, difficulty swallowing, hemoptysis

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    Acute rhinitis, common cold

    Inflammation of mucous membranes of the nose and accessory sinuses

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    Influenza

    Sudden onset of feeling VERY ill

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    Sinusitis

    Antibiotics, analgesics, antihistamines, vasoconstriction afrin nasal spray

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    Study Notes

    Arterial Blood Gases (ABG)

    • ABGs measure blood gases, acid-base balance (pH), carbon dioxide (CO2), and bicarbonate (HCO3)
    • CO2 is a respiratory component (acid)
    • HCO3 is a renal component (base)
    • Compensation attempts to return pH to normal range

    Acid-Base Imbalances

    • Metabolic Acidosis: Acid buildup related to kidney issues
    • Metabolic Alkalosis: Too much bicarbonate related to excessive diuretics or vomiting
    • Respiratory Acidosis: Retention of CO2 due to decreased respiratory rate or airway obstruction
    • Respiratory Alkalosis: Over-removal of CO2 due to hyperventilation

    Normal ABG Values

    • pH: 7.35 to 7.45
    • CO2: 35 to 45
    • HCO3: 22 to 26

    Analyzing ABGs

    • Examine pH
    • Evaluate CO2
    • Analyze bicarbonate
    • Determine respiratory (ROME) or metabolic compensation

    Additional Information

    • PO2: Normal is between 80 and 100 mm Hg

    • O2 Saturation: Evaluated for oxygen levels in the blood

    • Causes of acidosis/alkalosis Lung diseases (Asthma, COPD, pneumonia, sleep apnea), obstructed airways, cardiac arrest, sedative overdose

    • Causes of Respiratory alkalosis hyperventilation, panic attacks, anxiety, pain, heart attack, drug use, fever, and CHF (congestive heart failure)

    • Causes of metabolic acidosis/alkalosis Kidney failure, DKA, excessive use of diuretics, vomiting, NG sectioning, adrenal disease, laxatives, alcohol or accidental ingestion of bicarbonate, like baking soda.

    • Clinical Manifestations of Respiratory Conditions

      • Upper airway obstructions (epistaxis, nasal polyps, and deviated septum)
      • Obstructive sleep apnea
      • Laryngeal cancer
      • Chronic laryngitis
    • Diagnosis and Management

    • Medical Treatments

    • Surgical Procedures such as tonsillectomies or adenoidectomies

    • Nursing Interventions

    • Monitoring patient

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    Description

    This quiz covers the measurement and interpretation of arterial blood gases (ABGs), focusing on acid-base balance, normal values, and types of acid-base imbalances. Understand how respiratory and metabolic components contribute to these imbalances and their clinical significance in patient care.

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