Patient EducationAug | 12 | 2019
Pulmonary hypertension is a rare, life-threatening condition that causes high blood pressure in the lungs and right side of the heart. The high blood pressure causes blood vessels in the heart and lungs to narrow. It is hard to breathe because the heart works harder to pump blood through the lungs. Over time, the extra work can cause the heart to fail.
Pulmonary hypertension in children is usually caused by underlying medical or genetic conditions. This can include: