Pulmonary hypertension

Pulmonary hypertension is an elevated pressure in the pulmonary circulation. It has many secondary causes. Some cases are idiopathic. In pulmonary hypertension, the pulmonary vessels are constricted. Severe pulmonary hypertension leads to an increased load on the right ventricle and ultimately failure. The symptoms consist of exhaustion, exertional dyspnea, and occasionally mild chest pain and syncope. The diagnosis is made by finding an elevated pulmonary artery pressure (suspected by echocardiography…