Depends: Malfunctioning valves usually are either stenotic (tight) or incompetent (leaky).
Answered 8/22/2011
6.4k views
Stenosis and : Regurgitation, there 4 valves in the heart. For the heart to pump effectively, the valves open to allow the blood to move from one compartment into another in one direction, then they close to prevent the blood from regurgitating back. They open and close synchronously. A valve malfunctions when it does not open well stenotic (tight) or when it does not close well (leaks back) regurgitates.
Answered 6/16/2014
5k views
2 doctors weighed in across 2 answers
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