Experimental Factor Ontology id EFO_0009195 (Pulmonary arterial hypertension associated with chronic hemolytic anemia) (PAH-CHA) is a form of PAH (see this term) characterized by an elevated pulmonary arterial resistance leading to right heart failure observed as a complication of chronic hemolytic anemia. Also known as: PAH associated with chronic hemolytic anemia, chronic hemolytic anemia-associated PAH.