"Pseudo" loss of atrial sensing by a DDD pacemaker.
D000368:Aged; D001145:Arrhythmias, Cardiac / Q000150:complications / Q000503:physiopathology* / Q000628:therapy; D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008382:Marfan Syndrome / Q000150:complications; D010138:Pacemaker, Artificial / Q000009:adverse effects*