|En and cardiovascular disease explore by topic angina angina/chest pain angiogram angioplasty atrial septal defect bypass surgery cardiac catheterization cardiac rehab carotid artery disease chest pain children and heart disease diabetes healthcare reform heart attack heart healthy diet hypertrophic cardiomyopathy medications peripheral artery disease physical activity prevention of cardiovascular disease renal (kidney) artery disease risk factors for cardiovascular disease smoking stents stress/treadmill test stroke thrombosis (or blood clots) valvular heart disease women and heart disease heart valve problems email print decrease font type size increase font in a normally functioning heart, four valves regulate blood flow so that blood travels through the heart in one direction and at the right rate. buy viagra online When something goes wrong with one of these valves, the heart and rest of the body do not get proper amounts of oxygen and nutrients, and pressure can build up within the heart. viagra canada A person with a faulty heart valve may experience fatigue, chest pain, shortness of breath, or other symptoms-or no symptoms at all. buy viagra cheap this content requires flash player. This narrated animation shows how valves are supposed to function and what can go wrong. (animation provided courtesy of medtronic. viagra in the uk boots ) to better understand the function of heart valves, it can first help to visualize the heart. The heart is divided into four chambers, the left atrium and ventricle and the right atrium and ventricle. a wall called the septum divides the two sides of the heart. When blood returns to the heart from the body, it fills the right atrium. which is more effective viagra or viagra The tricuspid valve then opens, allowing blood to be pumped to the ventricle below. Then the ventricle contracts and pumps blood through the pulmonary valve to the lungs. viagra no prescription The blood returns from the lungs and then fills the left atrium. which is more effective viagra or viagra The mitral valve then opens, allowing blood to pass from the left atrium to the ventricle below. generic viagra without prescription The left ventricle then contracts and the aortic valve opens, allowing blood to travel through the aorta to blood vessels throughout your body. You may be born with a faulty heart valve-a condit. viagra national health prescription viagra pills
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