Obstructive Sleep Apnea (OSA)

Exam Cram

• Obstructive Sleep Apnea (OSA): poor sleep quality due to episodic hypoxia from upper airway compression, usually from obestiy

• Presentation: daytime sleepiness, irritability; raised Epworth daytime sleepiness score

• Investigation: 

  • • 1.  Overnight pulse oximetry: episodic hypoxia

      2. Sleep Studies (more expensive, not always required)

• Management: CPAP, anti-snoring airway adjuncts

Med Reg Notes

Associations

• Metabolic Syndrome

• Coronary Artery Disease

• Stroke 

Management

• 40% of patients still have symptoms on CPAP

• Weight loss best long term management

References and Resources

Written in 2025