Obstructive Sleep Apnea

A disorder characterized by recurrent apneas during sleep despite persistent respiratory efforts. It is due to upper airway obstruction. The respiratory pauses may induce HYPERCAPNIA or HYPOXIA. Cardiac arrhythmias and elevation of systemic and pulmonary arterial pressures may occur. Frequent partial arousals occur throughout sleep, resulting in relative SLEEP DEPRIVATION and daytime tiredness. Associated conditions include OBESITY; ACROMEGALY; MYXEDEMA; micrognathia; MYOTONIC DYSTROPHY; adenotonsilar dystrophy; and NEUROMUSCULAR DISEASES. (From Adams et al., Principles of Neurology, 6th ed, p395)

Also Known As:

Sleep Apnea, Obstructive; Apnea, Obstructive Sleep; OSAHS; Obstructive Sleep Apnea Syndrome; Sleep Apnea Hypopnea Syndrome; Sleep Apnea Syndrome, Obstructive; Syndrome, Obstructive Sleep Apnea; Syndrome, Sleep Apnea, Obstructive; Syndrome, Upper Airway Resistance, Sleep Apnea; Apneas, Obstructive Sleep; Obstructive Sleep Apneas; Sleep Apneas, Obstructive; Upper Airway Resistance Sleep Apnea Syndrome

Respiratory Tract Diseases: 6015
- Respiration Disorders: 18
  - Apnea: 7071
    - Sleep Apnea Syndromes: 4543
      - Obstructive Sleep Apnea: 9367
Nervous System Diseases: 14178
- Sleep Wake Disorders: 3640
  - Dyssomnias: 27
    - Intrinsic Sleep Disorders: 11
      - Sleep Apnea Syndromes: 4543
        Obstructive Sleep Apnea: 9367

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