Clinical features and diagnosis of pulmonary hypertension of unclear etiology in adults. Therapy for pulmonary arterial hypertension in adults: Update of the CHEST guideline and expert panel report. National Heart, Lung, and Blood Institute. Pulmonary hypertension - High blood pressure in the heart-to-lung system.Pulmonary hypertension can be life-threatening for the mother and the developing baby. Pulmonary hypertension can lead to life-threatening bleeding into the lungs and coughing up blood. Pulmonary hypertension can cause changes in the heartbeat, called arrhythmias, which can be life-threatening. Having pulmonary hypertension increases the risk of blood clots in the small arteries in the lungs. These changes create more strain on the heart, and eventually the right lower heart chamber fails. The right lower heart chamber stretches to increase the amount of blood it can hold. The chamber has to pump harder than usual to move blood through narrowed or blocked lung arteries.Īs a result, the heart walls thicken. Also called cor pulmonale, this condition causes the heart's right lower chamber to get larger. Right-sided heart enlargement and heart failure. Potential complications of pulmonary hypertension include:
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