High-Yield Concepts in Hypoventilation Syndrome and Sleep Apnea

Question 1

Obstructive Sleep Apnea

Answer 1

Coexistence of unexplained excessive daytime sleepiness with at least five obstructed breathing events (apnea or hypopnea) per hour of sleep

Question 2

Apnea

Answer 2

Breathing pauses lasting >10 seconds

Question 3

Hypopnea

Answer 3

> 10 second events where ventilation is reduced by at least 50% from the previous baseline