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What are the types of hypopnea?

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Hypopnea is a condition that's similar to the more familiar apnea. Hypopnea has three types:

  • Central hypopnea, when air flow lessens and breathing slows
  • Obstructive hypopnea, when only air flow, not breathing, is lowered
  • Mixed hypopnea, which has periods of both central and obstructive hypopnea

SOURCES:

National Heart, Lung, and Blood Institute: “Sleep Apnea.”

National Sleep Foundation: “Sleep Apnea.”

Sleep Science and Practice : “Hypopnea Definitions, Determinants and Dilemmas: A Focused Review.”

Mayo Clinic Proceedings : “Obstructive Sleep Apnea-Hypopnea Syndrome.”

Mayo Clinic: “Obstructive Sleep Apnea.”

Avicenna Journal of Medicine : “Obstructive Sleep Apnea-Hypopnea Syndrome: Etiology and Diagnosis.”

Reviewed by Carol DerSarkissian on April 19, 2020

SOURCES:

National Heart, Lung, and Blood Institute: “Sleep Apnea.”

National Sleep Foundation: “Sleep Apnea.”

Sleep Science and Practice : “Hypopnea Definitions, Determinants and Dilemmas: A Focused Review.”

Mayo Clinic Proceedings : “Obstructive Sleep Apnea-Hypopnea Syndrome.”

Mayo Clinic: “Obstructive Sleep Apnea.”

Avicenna Journal of Medicine : “Obstructive Sleep Apnea-Hypopnea Syndrome: Etiology and Diagnosis.”

Reviewed by Carol DerSarkissian on April 19, 2020

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What are the symptoms of hypopnea?

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