Left atrial myxoma. Clinical presentation suggesting acute myocarditis.
D000208:Acute Disease; D000367:Age Factors; D000790:Angiocardiography; D006328:Cardiac Catheterization; D002648:Child; D002932:Cineangiography; D003951:Diagnostic Errors; D006325:Heart Atria; D006338:Heart Neoplasms / Q000175:diagnosis*; D006801:Humans; D008297:Male; D009205:Myocarditis / Q000175:diagnosis*; D009232:Myxoma / Q000175:diagnosis*; D013902:Radiography, Thoracic