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What is heart valve stenosis?

James C. Bower Jr., MD
Cardiology (Cardiovascular Disease)
Stenosis is a condition when a heart valve stiffens and doesn't open all the way, causing the heart to push blood through a smaller opening. The heart may have to work harder to move the same amount of blood. This extra work may cause the heart muscle to tire and weaken.
Stenosis is the narrowing of a valve or an artery. A stenotic valve does not open completely and, therefore, it obstructs or blocks blood from moving through it normally. A stenotic artery results in an obstruction of blood flow through it to the organs of the body.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.