Heart failure in sinus rhythm as the sole manifestation of Graves' disease.
A middle-aged man with Graves' disease presented with heart failure in sinus rhythm which preceded the more typical manifestations of the disease by some months. Once suspected, the diagnosis was supported by measurement of systolic time intervals, enabling the instigation of treatment in advance of biochemical confirmation.
D006111:Graves Disease / Q000150:complications* / Q000175:diagnosis; D006333:Heart Failure / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged