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hypopnea
(redirected from hypopneic)

   Also found in: Dictionary/thesaurus 0.01 sec.
hypopnea /hy·pop·nea/ (hi-pop´ne-ah) diminished depth and rate of respiration.hypopne´ic
hy·pop·ne·a (h-ppn-, hp-n)
n.
Abnormally slow or shallow breathing.

hypop·neic adj.

Hypopnea
Shallow or excessively slow breathing usually caused by partial closure of the upper airway during sleep, leading to disruption of sleep.
Mentioned in: Sleep Disorders

hypopnea
[hīpop′nē·ə, hī′pōnē′ə]
Etymology: Gk, hypo + pnoe, breath
abnormally shallow and slow respiration. In well-conditioned athletes it may be appropriate and is often accompanied by a slow pulse. Otherwise, it is apparent when pleuritic pain limits excursion and is characteristic of damage to the brainstem. Accompanied by a rapid, weak pulse, it is a grave sign. See also respiration rate.

hypopnea (hīpop´nē),
n abnormally shallow and rapid respirations.

hypopnea
abnormal decrease in depth and rate of respiration.


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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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