Pulmonary arterial hypertension (PAH, see this entry) associated with HIV infection (PAH-HIV) is a form of PAH characterized by elevated pulmonary arterial resistance leading to right heart failure observed as a complication of HIV infection. The disease is Pulmonary arterial hypertension associated with HIV infection (Experimental Factor Ontology term EFO_0009194). Also known as: HIV infection-associated PAH, PAH associated with HIV infection.