Pulmonary hypertension vs systemic hypertension

Pulmonary hypertension = hypertension within the pulmonary circulation

systemic hypertension = hypertension within the systemic circulation

it could be caused by many many things

by your own body’s sympathetic nervous system response

but mostly what they be looking for includes the following

obstructie sleep apnea

polycystic kidney disease

diabetic renopathy

pregnancy

drugs - cocain,NSAIDs,Alcohol, contraceptive pill