Pulmonary arterial hypertension (PAH) is a relatively rare but potentially life-threatening disease. In most forms, the disease is likely to be diagnosed late and is associated with progressive clinical deterioration and premature death. A Clinician's Guide to Pulmonary Arterial Hypertension, Second Edition enhances the overall PAH awareness of the wider clinical community and outlines the need for more effective screening, diagnosis, and treatment. Topics include: Disease background and epidemiology Basics of disease pathophysiology Clinical profile and diagnosis Treatment strategies Screening and management of PAH.