June 17, 2014, Glenview, Illinois--The American College of Chest Physicians (CHEST) announced today the Online First publication of Pharmacological Therapy for Pulmonary Arterial Hypertension in Adults: CHEST Guideline in the journal CHEST. Pulmonary arterial hypertension (PAH), a rare form of pulmonary hypertension, can strike anyone, but individuals with connective tissue diseases such as scleroderma, liver disease, or HIV infection, are more likely than the general population to have PAH.