Are you in search of one of the best chest hospital in Patna? If your answer is yes, then visit Ram Krishna Chest Hospital. The chest hospital is equipped with all the latest machines and equipment's that are needed to treat chest related issues. Pulmonologists at Ram Krishna Chest Hospital are experts in treating pulmonary arterial hypertension. A form of high blood pressure known as pulmonary hypertension affects the arteries in the lungs and the right side of the heart. Blood arteries in the lungs are constricted, obstructed, or damaged in pulmonary arterial hypertension (PAH).