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Vegetative Growth Heart Valve
Endocarditis: Or infection of the heart valve.Get a more detailed answer ›
A valve is a structure that regulates the direction of flow. The heart is a special kind of pump. It moves blood by squeezing and relaxing. There are 4 chambers and each chamber has a valve. This keeps blood from moving backwards when the heart squeezes. When a chamber squeezes it lets the blood move forward but when the chamber is relaxed it prevents the blood from ...Read more
Depends which valve: Repair most commonly is done on mitral valve, especially when mitral prolapse is present. The excess, "floppy" tissue causing the valve to prolapse is excised to make leaflets more taught. Sometimes an artificial ring is inserted around the base of the leaflets to cinch the whole apparatus together, if it has become dilated, preventing leaflets from closing up against each other. ...Read moreSee 1 more doctor answer
Two ways: In the past, this is done with open heart surgery and the old valve is cut out and a new one sewn in to replace it. A new technique for the aortic valve involves crushing the old valve by blowing up a balloon and then placing the new valve through an artery in the leg, just as is done with a coronary artery stent. The procedure has been used successfully in high risk patients for surgery. ...Read moreSee 1 more doctor answer
Depends: Artificial valves come in two general types - biological and mechanical. Biological valves are usually made from cow or pig tissue. Mechanical valves are made of graphite and metal. Patients on mechanical valves need to be on long term coumadin. Not all valves need to be replaced, some may be repaired. Good luck. ...Read moreSee 1 more doctor answer
Yes: Blood moving through the heart is more effecient if it only moves in one direction. Valves open and allow blood to pass through. Then they close and prevent blood from moving backward from where it came. The aortic and pulmonic valves open in systole (during contraction). The mitral and tricuspid valves open during diastole (when the heart is resting and filling). ...Read moreSee 1 more doctor answer
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