Pulmonary<unk>  may be caused by either left heart failure (the most common cause) or other somewhat common causes such as HIV, systemic sclerosis, portal<unk> , congenital heart disease, and sickle cell disease.
The World Health Organization (WHO) has classified PH based on etiology into five distinct groups: Group 1 (pulmonary arterial<unk> , Group 2 (PH due to left heart failure), Group 3 (PH due to chronic lung disease and/or hypoxemia), Group 4 (PH due to chronic thromboembolic disease), and Group 5 (PH due to multifactorial mechanisms).
Pulmonary hypertension causes
Pulmonary edema causes
Air embolism causes
Pulmonary valve stenosis causes
Ventricular septal defect causes
Aortic stenosis causes
Patent ductus arteriosus causes
Tracheitis causes