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Definition

Etiology

Pathophysiology

Clinical features

Diagnosis

Differential diagnosis
Central Sleep Apnea: A sleep-related breathing disorder in which the drive to breathe periodically decreases or ceases due to impaired function of the respiratory center (e.g HF/Stroke)
Caused either by hyperventilation (nonhypercapnic CSA) or hypoventilation (hypercapnic CSA)
Sleep-related hypoventilation due to medication e.g opioids
Sleep-related hypoventilation due to a medical condition e.g COPD
Treatment

Complications

Prognosis
The mortality rate is higher in patients with severe OSA who do not receive adequate treatment.
CPAP ventilation can significantly lower the risk of mortality in OSA.