Merck Manual

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Dilated cardiomyopathy, M-mode echocardiogram, dog
Dilated cardiomyopathy, M-mode echocardiogram, dog

The left ventricular end-systolic diameter (LVIDs) is markedly increased, the end-diastolic diameter (LVIDd) is mildly to moderately increased, and the shortening fraction is markedly decreased. Both the interventricular septum (IVS) and the left ventricular posterior wall (LVPW) move and thicken (%) poorly.

Courtesy of Dr. Mark D. Kittleson.

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Specific Cardiac Diseases