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Posted by Hmmmm on January 30, 2003 at 08:15:27:In Reply to: Hypopnea scoring criterion... posted by sleepyinvermont on January 30, 2003 at 00:54:04:
Here's how my lab works.
(We score studies differently for medicare/aid vs. non-medicare.
These are for non-medicare:
1)Minimum duration is 10 seconds. (Occasionally a bit shorter if sleep is very fragmented)2)Minimum reduction is 30% decrease in airflow from thermocouple reading. I once worked in a lab where the doctor (Pulomonologist, of course)wanted us to score a hypop if there was even the slightest variance from maximum tidal volume. I personally don't agree with this.
3)Arousals are sufficient in my lab. We use the 3% and/or arousal criteria.
4)3% and/or arousal
5)a)K's in this instance are not scored as arousals.
b)No to leg movements only scored as arousals after resp disturbance.6)We don't really differentiate on hypopneas.
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