title: Evidence of remnant recipient atria producing mechanical atrial systole after heart transplantation.
mesh_terms: D000328:Adult; D004452:Echocardiography; D006325:Heart Atria; D016027:Heart Transplantation; D006801:Humans; D008297:Male; D009200:Myocardial Contraction; D012849:Sinoatrial Node / Q000503:physiopathology; D013599:Systole; D014465:Ultrasonics