Regurgitation (circulation)
Regurgitation (circulation)
Regurgitation (IPA: /rɪˌɡɜːrdʒɪˈteɪʃən/) in the context of circulation refers to the backward flow of blood through a heart valve that does not close properly. This can occur in any of the heart's four valves.
Etymology
The term "regurgitation" is derived from the Latin regurgitare, which means "to overflow".
Types of Regurgitation
There are four main types of regurgitation, named after the valve they affect:
- Mitral regurgitation - This occurs when the mitral valve doesn't close tightly, allowing blood to flow back into the heart.
- Tricuspid regurgitation - This is when the tricuspid valve fails to close properly, causing blood to flow back into the right atrium.
- Pulmonary regurgitation - This happens when the pulmonary valve doesn't close all the way, allowing blood to flow back into the right ventricle.
- Aortic regurgitation - This is when the aortic valve doesn't close tightly, causing blood to flow back into the left ventricle.
Symptoms
Symptoms of regurgitation can vary depending on the severity and the specific valve affected. Common symptoms include shortness of breath, fatigue, lightheadedness, and heart palpitations.
Diagnosis
Regurgitation is typically diagnosed through a physical examination, echocardiogram, or cardiac catheterization.
Treatment
Treatment for regurgitation depends on the severity and the specific valve affected. It may include medication, lifestyle changes, or surgery.
See Also
External links
- Medical encyclopedia article on Regurgitation (circulation)
- Wikipedia's article - Regurgitation (circulation)
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