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In this case of cardiomyopathy, part of the septum dividing the ventricles is interfering with the normal emptying of the left ventricle. This is one variety of the condition called hypertrophic obstructive cardiomyopathy (HOCM). A catheter is introduced into the heart and through it, concentrated alcohol is applied to the abnormal area, shrinking it, allowing the heart to function normally.

Review Date 5/5/2016

Updated by: Michael A. Chen, MD, PhD, Associate Professor of Medicine, Division of Cardiology, Harborview Medical Center, University of Washington Medical School, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

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