Abstract
Background A 42-year-old obese man presented with acute pulmonary edema. He had a history of chronic residual schizophrenia for which he had been taking clozapine for 7 years, but had no known prior cardiac disease. Echocardiography demonstrated severe biventricular systolic and diastolic dysfunction with severe left ventricular enlargement. Cardiac catheterization showed no coronary artery disease.
Investigations Physical examination, chest radiography, electrocardiography, transthoracic echocardiography, laboratory testing, viral serology, cardiac catheterization, coronary angiography and abdominal and renal ultrasonography.
Diagnosis Clozapine-induced dilated cardiomyopathy.
Management Intravenous nesiritide, furosemide and morphine followed by oral heart-failure therapy comprising ramipril, metoprolol succinate, spironolactone, and furosemide. Clozapine therapy was withdrawn.
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Makhoul, B., Hochberg, I., Rispler, S. et al. Dilated cardiomyopathy: an unusual complication of clozapine therapy. Nat Rev Cardiol 5, 566–570 (2008). https://doi.org/10.1038/ncpcardio1292
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DOI: https://doi.org/10.1038/ncpcardio1292
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