Diagnosis of atrial tumors by ultrasound.
D000790:Angiocardiography; D006328:Cardiac Catheterization; D002932:Cineangiography; D004452:Echocardiography; D004562:Electrocardiography; D006325:Heart Atria; D006338:Heart Neoplasms / Q000175:diagnosis*; D006801:Humans; D008722:Methods; D008946:Mitral Valve Stenosis / Q000209:etiology; D009232:Myxoma / Q000175:diagnosis*; D010701:Phonocardiography; D014463:Ultrasonography