Atrial echo beats in the human heart elicited by induced atrial premature beats.
D000293:Adolescent; D001146:Arrhythmia, Sinus / Q000175:diagnosis / Q000503:physiopathology; D001145:Arrhythmias, Cardiac / Q000175:diagnosis; D002037:Bundle-Branch Block / Q000150:complications* / Q000503:physiopathology; D006328:Cardiac Catheterization; D004452:Echocardiography; D004562:Electrocardiography; D005260:Female; D006326:Heart Auscultation; D006329:Heart Conduction System / Q000503:physiopathology*; D006339:Heart Rate / Q000502:physiology; D006344:Heart Septal Defects, Atrial / Q000150:complications* / Q000503:physiopathology; D006801:Humans; D013997:Time Factors