It causes a pressure back into the right side of the heart which leads to the hypertrophy of the heart muscle and some contractions. If it is left untreated, it can lead to a heart failure.
The cause of pulmonary hypertension is unknown. It is rare, affecting one people per-million. The illness most often occurs in young adults, especially women.
The main warning signs of pulmonary arterial hypertension are: Shortness of breath during routine activities, feeling light-headed, especially during physical activity, swelling in your legs and...
Pulmonary hypertension is chronic and incurable with an unpredictable survival rate. Length of survival has been improving, with some patients able to live 15-20 years