To the Editor: An 80 kg, 73-year-old man with type 2 diabetes managed with gliclazide and metformin was discharged on a dose of 40 mg twice daily of sotalol and a therapeutic dose of warfarin after an admission for atrial flutter. Transoesophageal echocardiography during his admission showed normal left ventricular (LV) size with mild to moderate global systolic dysfunction and moderate mitral incompetence.
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