Why is pulmonary artery hypertension a problem?
As pressure rises in the pulmonary arteries, the heart must work harder to pump blood through the narrowed pulmonary vessels. This stresses the heart. It becomes enlarged and less able to pump blood through the lungs and out to the rest of the body. Many of the symptoms of pulmonary hypertension are caused by the hearts limited capacity to pump blood in normal amounts. What causes pulmonary hypertension? There is no single answer. There are several causes of pulmonary hypertension. Each person deserves a complete medical evaluation to discover the cause of her or his pulmonary hypertension. Disorders of the lungs, heart, liver and collagen vascular system can cause pulmonary hypertension. In some patients, no cause can be identified Causes of Pulmonary Hypertension – follow the link. In most patients pulmonary hypertension begins when the blood vessels carrying blood into the lungs constrict, narrowing the channel for flowing blood. Over months and years, the blood vessel lining become
