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Course: Tachycardiomyopathy—The Eye Cannot See What the Mind Does Not Know

CME Credits: 1.00

Released: 2022-03-28

A patient in his 20s presented with recurrent palpitations and progressive heart failure for 6 months. He reported no comorbidities. Physical examination revealed a pulse rate of 120 beats per minute (bpm) and blood pressure of 100/60 mm Hg. The rest of his cardiovascular examination was otherwise unremarkable. Transthoracic echocardiography demonstrated global hypokinesia and moderate left ventricular dysfunction, with an ejection fraction (EF) of 35% to 40% and normal valve function. He was prescribed furosemide, spironolactone, ramipril, and metoprolol succinate. A week later, the patient complained of palpitations despite maximally tolerated ?-blocker dose. The patient underwent a 12-lead electrocardiogram (ECG) (, A).


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