The preoperative detection of atrial thrombi by selective left atriography.
D000790:Angiocardiography; D001281:Atrial Fibrillation / Q000150:complications*; D006801:Humans; D008946:Mitral Valve Stenosis / Q000150:complications* / Q000601:surgery*; D011300:Preoperative Care; D013927:Thrombosis / Q000175:diagnosis*