A. Is common B. Occurs mainly in young men C. May be present with congenital heart disease D. Is associated with chest pain, dyspnea and syncope E. Is seen frequently together with idiopathic systemic hypertension The Correct answer is D. Is associated with chest pain, dyspnea and syncope Primary (Idiopathic) Pulmonary Hypertension: 2′ to persistently increased fetal [...]