Ventricular-triggered pacemaking without thoracotomy. Apparatus and results in twenty cases.
D000328:Adult; D000368:Aged; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000601:surgery*; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D010138:Pacemaker, Artificial / Q000009:adverse effects