Aortic valve stenosis happens when the aortic valve narrows and doesn’t open properly, limiting blood flow from your heart into the aorta. It’s often caused by calcium buildup, rheumatic fever, or a ...
Aortic valve insufficiency, also called aortic regurgitation, happens when the aortic valve doesn’t fully close, causing blood to flow backward into the left ventricle. This forces your heart to work ...
Hyphenate when used as a compound modifier: He was active duty before becoming a reserve Soldier. He was an active-duty Soldier before becoming a reserve Soldier. African American (noun) ...
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