Have been through a sleep session without a mask and witha mask all night. Do not know the results of second session. Dr wanted me to wait a montht o come back, but I thought in teh interim he would palce me on a cpap to see how it went. Am being treated for hypertension and atrail fibrillation, so hoping the cpap works out. During mmy second sleep study, they ended up placing a mask on that covered both mouth and nose. Are these types any more or less affecteive?
Thanks,
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Tim in Houston

