What Are the Causes of Hypertrophic Cardiomyopathy?


What can cause cardiomyopathy?


Usually hypertrophic cardiomyopathy (HCM) is caused by gene mutation which causes the heart muscle to become abnormally thick. People with HCM have an abnormal arrangement of heart muscle cells that is also called myofiber disarray which can lead to irregular heart rhythm in some cases.

The severity of the disease caries widely and it mainly depends on patients’ health condition. In most cases, patients with HCM have thin walls of the ventricles, so the blood flow out of the heart is restricted.

In another form of HCM which is known as nonobstructive hypertrophic cardiomyopathy, there is significant blocking of the blood flow. Yet the left ventricle, the main pumping chamber of the heart, could become stiff, and so it reduces the volume of blood the heart can hold and pump out.


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* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.