Medical Dictionary: Asymmetrical septal hypertrophy


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Asymmetrical septal hypertrophy: Another name for Hypertrophic cardiomyopathy.
Asymmetrical septal hypertrophy (condition): Heart damage from thickened heart walls.

Asymmetrical septal hypertrophy: The second most common form of heart muscle disease is hypertrophic cardiomyopathy. Physicians sometimes call it by other names: idiopathic hypertrophic subaortic stenosis (IHSS), asymmetrical septal hypertrophy (ASH), or hypertrophic obstructive cardiomyopathy (HOCM).

In hypertrophic cardiomyopathy, the growth and arrangement of muscle fibers are abnormal, leading to thickened heart walls. The greatest thickening tends to occur in the left ventricle (the heart's main pumping chamber), especially in the septum, the wall that separates the left and right ventricles. The thickening reduces the size of the pumping chamber and obstructs blood flow. It also prevents the heart from properly relaxing between beats and so filling with blood. Eventually, this limits the pumping action. 1

More information on medical condition: Hypertrophic cardiomyopathy:



Footnotes:
1. excerpt from NHLBI, Cardiomyopathy: NHLBI

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