[ECG studies of patients' own rhythms with chest wall stimulation method during permanent pacing].
D000368:Aged; D002648:Child; D004562:Electrocardiography / Q000379:methods*; D005260:Female; D006327:Heart Block / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial