Irregularities of R-R interval cycle length during 24 hour ECG tape recording. A new method for assessing cardiac parasympathetic activity.
D000328:Adult; D000368:Aged; D000553:Ambulatory Care; D002940:Circadian Rhythm; D003920:Diabetes Mellitus / Q000503:physiopathology; D004562:Electrocardiography; D006321:Heart / Q000294:innervation*; D006339:Heart Rate; D016027:Heart Transplantation; D006801:Humans; D008875:Middle Aged; D008991:Monitoring, Physiologic; D010275:Parasympathetic Nervous System / Q000502:physiology*