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The closing of the mitral and tricuspid valves create the "lubb" and the closing of the semilunar valves creates the "dubb"
what cause the aortic semilunar valve to close...greater pressure in the aorta than in the left ventricle
The closing of the valves in the heart. The first sound is caused by the closing of the atrioventricular valves within the heart. The second sound is caused by the shutting of the aortic and pulmonary valves.
Hydraulic shock from quick closing valves and can cause piping to rupture Hydraulic shock from quick closing valves and can cause piping to rupture
The lub-DUB of the heartbeat is caused by the closing of two separate pairs of valves, in response to heart muscle contractions. Turbulent blood flow occurs as blood pushes against the valves. The first sound is caused by the closing of atrioventricular valves (mitral valve, tricuspid valve) that separate the upper chambers (atria) and lower chambers (ventricles) of the heart, as blood enters the ventricles. The second sound is caused by the closing of the semilunar valves at the exit of the ventricles (the right ventricle having pumped blood into the pulmonary artery and the left ventricle having pumped blood into the aorta). There are other specific heart sounds that occur, usually as a result of problems with the function of the heart.
A murmur would occur during the lubb portion of the cycle if the AV valves were not closing properly. Most heart murmurs do not cause the patient any problems.
A murmur would occur during the lubb portion of the cycle if the AV valves were not closing properly. Most heart murmurs do not cause the patient any problems.
faulty lifters at the best will rattle, at the worst they will not lift the valves properly . valves not opening and closing properly will greatly interfere with the proper running of the engine.can also cause a push rod to come loose and fall into the engine, breaking or bending other parts
Not a for sure thing, but it's very possible. The opening and closing of the valves needs to be timed correctly, otherwise they could be open when the piston reached the top and damage could result.
Yes it sure will, but it can also be the valves need adjustment.
no
No but an engine running like that can damage the valves.