Case report illustrates obstruction encountered in a patient with end-stage dilated hypertrophic cardiomyopathy (HCM) who underwent LVAD implantation. The morphology reversed in early postoperative period to HCM. Pump replacement required coring of the ventricular muscle. Dilated end-stage hypertrophic cardiomyopathy can revert back to the original morphology on decompression.
Keywords: Dilated hypertrophic cardiomyopathy; hypertrophic cardiomyopathy; left ventricular assist device; pump obstruction; pump thtombosis.