Persistent right atrial standstill.
An asymptomatic patient with cardiomegaly caused by isolated right atrial standstill is reported. The right atrium showed no evidence of contraction on pressure records or angiographically, while the left atrium functioned normally.
D000328:Adult; D006332:Cardiomegaly / Q000150:complications; D004562:Electrocardiography; D005260:Female; D006325:Heart Atria; D006327:Heart Block / Q000150:complications / Q000175:diagnosis; D006801:Humans; D009200:Myocardial Contraction