Ask the doctors. I have been reading a lot about sleep apnea lately and I think my husband has it. He does have heart disease. Do you think his sleep apnea could be causing it?
D006331:Heart Diseases / Q000209:etiology*; D006801:Humans; D008297:Male; D012891:Sleep Apnea Syndromes / Q000150:complications* / Q000175:diagnosis / Q000628:therapy