Pulmonary Hypertension Pathology Video 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 Hypertension Pathology Study Guide

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.