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hypopnea
(redirected from hypopneic)

   Also found in: Medical 0.02 sec.
hy·pop·ne·a  (h-ppn-, hp-n)
n.
Abnormally slow, shallow breathing.

[hypo- + Greek pnoi, -pnoia, breath; breathing (from pnein, to breathe; see pneu- in Indo-European roots).]

hypop·neic adj.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.hypopnea - slow or shallow breathing
breathing, external respiration, respiration, ventilation - the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation
hyperpnea - energetic (deep and rapid) respiration that occurs normally after exercise or abnormally with fever or various disorders


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This machine defines an apneic event as a cessation of nasal airflow for 10 seconds or longer and a hypopneic event as a 50% reduction in nasal ventilation.
OSAS was defined as the presence of sleep apnea symptoms and a respiratory disturbance index (RDI) of 10 or more on polysomnography (PSG), as evaluated by standard criteria [8]; RDI is calculated by averaging the number of apneic and hypopneic events per hour of sleep.
By the early 1990s, Guilleminault et al described patients who experienced sleep fragmentation and daytime sleepiness, but who did not experience the obvious apneic or hypopneic events that caused the brief arousals that were observed.
 
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