The Pulmonary Circulation -- Epidemiology and Disease Classification of Pulmonary Hypertension -- Pathogenesis of Pulmonary Arterial Hypertension -- Hypoxic Pulmonary Hypertension -- Pulmonary Hypertension In Chronic Heart And Lung Disease -- Chronic Thromboembolic Pulmonary Hypertension -- Schistosomiasis- Associated Pulmonary Arterial Hypertension -- Approach to the Patient with Elevated Pulmonary Arterial Pressure -- Echocardiography -- Pulmonary Hemodynamics and Right Heart Catheterization -- Cardiopulmonary Exercise Testing in Pulmonary Hypertension -- Adjunct Therapy and Calcium Channel Blockers -- Prostacyclin Therapy for Pulmonary Arterial Hypertension -- Endothelin Receptor Antagonists.-Modulation Of cGMP Synthesis And Metabolism -- Combination Therapy for the Treatment of Pulmonary Arterial Hypertension -- Investigative Therapies in Pulmonary Arterial Hypertension -- Pulmonary Hypertension In Critically Ill Patients -- Perioperative Management of Pulmonary Hypertension.