title: Recently, my pulse was 44, and at night when I sleep it drops into the 30s. I have had a low pulse rate for 40 years. My doctor thinks I need a pacemaker. Do you agree?
mesh_terms: D001919:Bradycardia / Q000628:therapy*; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D010138:Pacemaker, Artificial