​Differential diagnosis of causes of Pulmonary Hypertension

​Differential diagnosis of causes of Pulmonary Hypertension 
-sickle cell disease
-schistosomiasis 
-HIV 
-cirrhosis with portal hypertension 
-polycythemia vera 
-high altitude / chronic mountain sickness 
-atrial myxoma 
-left sided heart failure 
-mitral stenosis, mitral regurgitation, aortic stenosis 
-pulmonary veno occlusive disease 
-radiation 
-drugs or toxins such as fenfluramine, dexfenfluramine, phentermine, bleomycin, amiodarone, talc, 
-left to right intracardiac shunt
-slceroderma or other connective tissue disease 
-Pickwickian Syndrome ( obesity hypoventilation syndrome)
-sleep apnea 
-intersitial lung disease
-chronic obstructive pulmonary disease
-chronic pulmonary embolism 
-primary pulmonary hypertension