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Jannelle Riguez

 

Valve Replacement

 
What is Aortic Valve Replacement?

The location of the aortic valve is shown in the diagram above. The heart has two sets of pumping chambers: the right-sided chambers pump blood to the lungs, and the left side pumps blood to the rest of the body. The left side, therefore, has a harder job than the right side, and the left side does most of the work. The main pumping chambers of the heart are called the ventricles.

Because the ventricle is a pump, it must have both an inflow valve and an outflow valve. The aortic valve is on the left side of the heart and is the outflow valve. The aortic valve opens to allow blood to leave the left ventricle (the main pumping chamber of the heart) and closes to prevent blood from leaking backwards into the ventricle from the rest of the body.

 
What are the signs of failing Aortic Valve?

A failing aortic valve may cause a variety of symptoms including shortness of breath, chest pain (angina pectoris), and dizziness or loss of consciousness (passing out).

A narrow valve makes the heart work harder just to pump the blood through the valve to the body. A leaky valve lets blood back into the heart after it has been pumped out. The heart must therefore pump more blood forward to make up for the blood that is leaking backwards. Either way the extra work may cause symptoms of heart failure, such as shortness of breath. Early on the shortness of breath may be noticeable only with exercise. Later, with the progression of valve disease, a patient could experience shortness of breath with even light activity or at rest. Some patients will be unable to sleep flat in bed or may awaken from sleep short of breath. Another sign of heart failure that may occasionally occur is swelling of your feet, particularly prominent later in the afternoon or evening although other conditions, such as varicose veins, can also cause this to occur.

The extra work the heart has to perform may also cause chest pain or angina pectoris similar to the symptoms of a heart attack. It may be difficult to tell the difference between heart valve disease and narrowing of the blood vessels to the heart itself (coronary arteries).

Aortic valve disease may also cause dizziness, light headedness or even fainting spells.