The pulmonary vasculature in lung tissue from four patients with severe pulmonary hypertension is shown. The patients were characterized clinically as Category 1 (IPAH), Category 2 (left ventricular failure), Category 3 (interstitial lung disease), and Category 4 (chronic thromboembolic disease). However, each specimen reveals similar changes in the pulmonary arteriole showing medial hypertrophy and intimal proliferation. What is pulmonary arterial hypertension?: Rich S - Pulmonary circulation (2012). Not altered. CC.
Pulmonary Hypertension Pulmonary hypertension refers to a form of high blood pressure that affects the pulmonary circuit (mean arterial pressure > 25 mmHg; normal is 10 mmHg). Pulmonary hypertension condition is characterized by atherosclerosis of the pulmonary trunk, smooth muscle…
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