Aortic Regurgitation Topic Review | 合法醫療器材資訊網

Aorticregurgitationoccurswhenbloodflowsbackwards,orretrograde,acrosstheaorticvalvefromtheaortaintotheleftventricleduringdiastole.

Introduction

Aortic regurgitation occurs when blood flows retrograde (backwards) across the aortic valve from the aorta into the left ventricle during diastole.

This abnormal backflow of blood leads to pathologic changes in the heart — remodeling — in order to maintain effective forward cardiac output.

Aortic regurgitation (AR) may occur due to damage to the aortic valve leaflets or as a result of dilation of the aortic annulus. As the disease progresses, symptoms of heart failure eventually occur. The definitive treatment is surgical aortic valve replacement; however, medical therapy can improve symptoms.

Pathophysiology – Aortic Regurgitation

The left ventricula...

Aortic valve regurgitation | 合法醫療器材資訊網

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Aortic Regurgitation Topic Review | 合法醫療器材資訊網

Aortic regurgitation occurs when blood flows backwards, or retrograde, across the aortic valve from the aorta into the left ventricle during diastole. Read More

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