How would heart function be affected if the AV valves didn’t completely close during ventricular contraction?

What problems would the backflow create?

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Answer:
It really would depend on the degree of "backflow" and it depends on the valve. With the AV valves (mitral and triscuspid), mitral valve regurgitation that becomes more severe would be more concerning than triscuspid regurgitation since it affects the LV. But, severe TR can cause problems too.

Problems that it would create would be heart failure; symptoms being shortness of breath with minimal exertion, lower extremity swelling or abdominal swelling, distended neck veins.

Basically anything that compromises the heart as an effective pump can put someone at risk for heart failure. Some people have mild to moderate regurgitation and do just fine. It's when it becomes more severe that it starts to be a problem, requiring more diuretics to help with heart failure symptoms. This is when surgical repair is usually suggested.

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Answer:
no and usually the backflow doesn't really cause a problem unless the AV or SL valves just completely don't shut and if they completely don't work then i think you have to have surgery

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Answer:
decrease in cardiac output, atrial and ventricular hypertrophy, congestive heart failure

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Answer:
Hey. Diagnosed with heart failure. Had a loud heart murmur. I had mitrial and tricuspid valve reguritation moderate to severe about 4 yrs ago, had open heaart surgery to repair. I had llimited functions, tired, no energy. Still have a murmur but quieter. Like the others that posted heart failure, pulmonary hypertension, hypertension. irregular heart rate short of breath, lower parts of your body get a limited blood supply, and the is heart working over time. Gee the heart only gets a 10 th of second to "rest". I feel so much better since I had the surgery.