Obstructive Sleep Apnea Overview

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Questions and Answers

What is obstructive sleep apnea (OSA)?

  • A condition caused by chronic hypoxia due to asthma
  • A sleep disorder causing increased respiratory rate
  • A sleep disorder characterized by excessive daytime sleepiness only
  • A sleep disorder with complete cessation of upper airflow during sleep (correct)

Which of the following is a diagnostic criterion for OSA?

  • Fewer than five apneic episodes per hour
  • Five or more apneic episodes per hour (correct)
  • One apneic episode per hour
  • Apneic episodes lasting less than 10 seconds

What is the primary cause of airway obstruction in OSA?

  • Blockage by the soft palate, tongue, and uvula (correct)
  • Collapse of the alveoli
  • Bronchoconstriction
  • Narrowing of the lower airway

Which condition increases the risk of developing OSA?

<p>Male gender with a thick neck (C)</p> Signup and view all the answers

Which clinical manifestation is commonly associated with OSA?

<p>Loud snoring with sudden awakenings (D)</p> Signup and view all the answers

What test is most commonly used to diagnose OSA?

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

Which scoring system is used to assess the risk of OSA?

<p>STOP-BANG (A)</p> Signup and view all the answers

What nonpharmacologic therapy is most effective for preventing airway collapse in OSA?

<p>Continuous positive airway pressure (CPAP) (A)</p> Signup and view all the answers

Which surgical intervention is considered for patients with severe OSA unresponsive to other treatments?

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

What complication can result from untreated OSA?

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

Which position is most recommended for patients with OSA?

<p>Side-lying (A)</p> Signup and view all the answers

Which of the following symptoms is most commonly reported by patients with OSA?

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

Which lifestyle modification can reduce the severity of OSA?

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

Which type of positive airway pressure device is ideal for patients who struggle with CPAP?

<p>Bi-level positive airway pressure (BiPAP) (B)</p> Signup and view all the answers

What change in blood gas levels is expected during an OSA episode?

<p>Decreased oxygen and decreased pH (D)</p> Signup and view all the answers

Which symptom would most likely prompt a provider to suspect OSA?

<p>Daytime fatigue and irritability (A)</p> Signup and view all the answers

Why is CPAP effective in treating OSA?

<p>It maintains upper airway patency during sleep. (B)</p> Signup and view all the answers

Which patient is at highest risk for OSA?

<p>A 50-year-old male with obesity and a thick neck (D)</p> Signup and view all the answers

What is a key purpose of a sleep study in OSA management?

<p>To identify apneic episodes and severity (B)</p> Signup and view all the answers

What is the primary nursing goal for a patient newly diagnosed with OSA?

<p>Improve oxygenation and sleep quality (C)</p> Signup and view all the answers

Flashcards

What is obstructive sleep apnea (OSA)?

A sleep disorder where upper airflow is blocked during sleep, leading to apneic episodes.

What is a diagnostic criterion for OSA?

Five or more apneic episodes per hour during sleep.

What is the primary cause of airway obstruction in OSA?

OSA is caused by the obstruction of airflow by the soft palate, tongue, and uvula during sleep.

Which condition increases the risk of developing OSA?

Risk factors for OSA include male gender, thick neck, and obesity.

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Which clinical manifestation is commonly associated with OSA?

Loud snoring followed by awakening is a hallmark of OSA.

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What test is most commonly used to diagnose OSA?

Polysomnography monitors airflow, blood oxygen levels, and breathing patterns to diagnose OSA.

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Which scoring system is used to assess the risk of OSA?

The STOP-BANG score is used to assess the risk of OSA.

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What nonpharmacologic therapy is most effective for preventing airway collapse in OSA?

CPAP prevents airway collapse and is the first-line therapy for OSA.

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Which surgical intervention is considered for patients with severe OSA unresponsive to other treatments?

UPPP involves the removal of obstructive tissues in the upper airway and is used when other therapies fail.

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What complication can result from untreated OSA?

Untreated OSA can lead to systemic complications such as hypertension.

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Which position is most recommended for patients with OSA?

The side-lying position reduces airway obstruction in OSA patients.

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Which of the following symptoms is most commonly reported by patients with OSA?

Morning headaches are a common symptom of OSA due to nocturnal hypoxia and hypercapnia.

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Which lifestyle modification can reduce the severity of OSA?

Weight reduction can significantly decrease the severity of OSA.

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Which type of positive airway pressure device is ideal for patients who struggle with CPAP?

BiPAP adjusts pressure during inhalation and exhalation, making it more comfortable for some patients.

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What change in blood gas levels is expected during an OSA episode?

OSA episodes cause hypoxia and hypercapnia, leading to acidosis.

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Which symptom would most likely prompt a provider to suspect OSA?

Excessive daytime sleepiness and fatigue are hallmark symptoms of OSA.

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Why is CPAP effective in treating OSA?

CPAP provides continuous pressure to keep the airway open during sleep.

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Which patient is at highest risk for OSA?

Obesity, thick neck, and male gender are significant risk factors for OSA.

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What is a key purpose of a sleep study in OSA management?

Sleep studies identify apneic episodes and determine their severity.

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What is the primary nursing goal for a patient newly diagnosed with OSA?

The primary goal is to improve oxygenation and quality of sleep.

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Study Notes

Obstructive Sleep Apnea (OSA)

  • OSA is a sleep disorder characterized by complete cessation of upper airway airflow during sleep. 

  • Diagnostic criterion for OSA includes five or more apneic episodes per hour during sleep, where apneic episodes last 10 seconds or longer.

  • The primary cause of airway obstruction in OSA is blockage by the soft palate, tongue, and uvula during sleep.

  • Risk factors for OSA include male gender, thick neck, and obesity.

  • A common symptom associated with OSA is loud snoring accompanied by sudden awakenings.

  • Polysomnography (sleep study) is the most common diagnostic test for OSA.

  • CPAP (Continuous Positive Airway Pressure) is the first-line therapy for OSA.

  • Uvulopalatopharyngoplasty (UPPP) is a surgical intervention for severe, unresponsive OSA cases.

  • Untreated OSA can lead to systemic complications like hypertension.

  • Side-lying position is recommended for OSA patients.

  • Morning headaches are a common symptom due to nocturnal hypoxia and hypercapnia.

  • Weight reduction is a lifestyle modification to reduce the severity of OSA.

  • Bi-level positive airway pressure (BiPAP) is a suitable alternative for patients who have trouble using CPAP

  • A key purpose of a sleep study in OSA management is to identify apneic episodes and determine severity.

  • The primary nursing goal for a patient newly diagnosed with OSA is to improve oxygenation and sleep quality.

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