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Definition

noun

(1) Slowed breathing than normal

(2) A deficiency in ventilation, resulting in the inadequacy of amount of oxygen or the increased carbon dioxide levels in blood (or both)

(3) A state wherein the amount of air inhaled is deficient or reduced

Supplement

Hypoventilation in humans is caused by certain medical conditions such as stroke or as a side effect of certain drugs such as recreational drugs. Hypoventilation may be life-threatening since there is an inadequacy in the supply of oxygen in the body as well as an increased carbon dioxide concentration in the blood.

Word origin: Greek, combining form of hypó under + ventilation

Synonym(s):

• respiratory depression
• Underventilation
• underbreathing

Compare:

• hyperventilation

See also:

• ventilation

Mentioned in:

• Mountain disease
• Pickwickian syndrome