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2. Valvular heart disease - Wikipedia

   en.wikipedia.org/wiki/Valvular_heart_disease

   See media help. Valvular heart disease is any cardiovascular disease process involving one or more of the four valves of the heart (the aortic and mitral valves on the left side of heart and the pulmonic and tricuspid valves on the right side of heart). These conditions occur largely as a consequence of aging, [1] but may also be the result of ...

3. Mitral regurgitation - Wikipedia

   en.wikipedia.org/wiki/Mitral_regurgitation

   [3] [4] [5] It is the abnormal leaking of blood backwards – regurgitation from the left ventricle, through the mitral valve, into the left atrium, when the left ventricle contracts. [4] Mitral regurgitation is the most common form of valvular heart disease .

4. Heart valve - Wikipedia

   en.wikipedia.org/wiki/Heart_valve

   A heart valve is a biological one-way valve that allows blood to flow in one direction through the chambers of the heart. A mammalian heart usually has four valves. Together, the valves determine the direction of blood flow through the heart. Heart valves are opened or closed by a difference in blood pressure on each side. [1] [2] [3]

5. Heart Valve Replacement Options for Heart Disease - AOL

   www.aol.com/lifestyle/heart-valve-replacement...

   Heart valve replacement is surgery that replaces one or more of the heart's valves when repairing them has failed or is not an option. There are four heart valves. They include: The tricuspid ...

6. Aortic regurgitation - Wikipedia

   en.wikipedia.org/wiki/Aortic_regurgitation

   Aortic regurgitation (AR), also known as aortic insufficiency (AI), is the leaking of the aortic valve of the heart that causes blood to flow in the reverse direction during ventricular diastole, from the aorta into the left ventricle. As a consequence, the cardiac muscle is forced to work harder than normal. [ 4 ]

7. What Is Heart Disease? Everything You Need to Know - AOL

   www.aol.com/heart-disease-everything-know...

   Regurgitation occurs when a valve doesn’t close properly, leading blood to flow backward or leak into the heart chamber in between heart contractions. Atresia. Artesia is a condition in which a ...