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obstructive apnea

   Also found in: Medical 0.02 sec.
obstructive apnea [əb¦stək·tiv ′ap·nē·ə]
(medicine)
A pause in breathing while sleeping that lasts more than 10 seconds and is caused by a collapse of the upper airways.


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He experienced 117 obstructive apneas and 28 hypopneas, and his combined respiratory index was 24 events per hour.
The researchers found that obstructive apnea, in which a sleeper snores with abrupt snorts and pauses, and obstructive hypopnea, which causes heavy, long, loud snoring, decreased blood flow to the brain in 80 percent and 76 percent of incidents, respectively.
In mixed apnea, a period of central apnea is followed by a period of obstructive apnea before regular breathing resumes.
 
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