Noninvasive recording of electrical activity in the PR segment in man.
D000293:Adolescent; D000328:Adult; D002036:Bundle of His / Q000502:physiology*; D003201:Computers; D004562:Electrocardiography / Q000379:methods*; D004594:Electrophysiology / Q000379:methods; D006321:Heart / Q000502:physiology; D006329:Heart Conduction System / Q000502:physiology*; D006801:Humans; D008297:Male; D008875:Middle Aged