you listen with a stethoscope and with experience you can discover a valve abnormality as they are audible
Bicuspid valve.. a birth defect of the aortic valve.
mitral valve prolapse (MVP)
birth defect
Aortic valve stenosis can occur because of a birth defect in the formation of the valve. Calcium deposits may form on the valve with aging, causing the valve to become stiff and narrow. Stenosis can also occur as a result of rheumatic fever.
None whatsoever.
Mitral valve prolapse allows blood to enter into the left atrium. This often results in the valve not forming a tight seal.
The right atrioventricular valve, also known as the tricuspid valve, allows blood to flow from the right atrium to the right ventricle. The similar valve on the left side of the heart is the bicuspid or mitral valve.
An incompetent valve allows backflow of blood.
If she is concerned about this she should speak to a physician. Aortic valve replacement may be necessary if her aortic valve has narrowed or is leaking.
The aortic valve allows the blood to leave the left ventricle.
Incomplete closint of any one of the 4 valves may cause a murmur
Thermostatic expansion valve allows more refrigerant into the evaporator coil during a hot pulldown it allows the evaporator to reach peak performance faster