CARDIAC FAILURE WITHOUT OBVIOUS CAUSE.
D001281:Atrial Fibrillation; D003937:Diagnosis, Differential; D006333:Heart Failure; D006801:Humans; D006980:Hyperthyroidism; D009205:Myocarditis
AURICULAR FIBRILLATION; DIAGNOSIS, DIFFERENTIAL; HEART FAILURE, CONGESTIVE; HYPERTHYROIDISM; MYOCARDITIS