Pulmonary arterial hypertension associated with connective tissue disease (EFO_0009196) is pulmonary arterial hypertension (PAH, see this term) associated with connective tissue disease (PAH-CTD) is a form of pulmonary arterial hypertension (PAH, see this term) characterized by an elevated pulmonary arterial resistance leading to right heart failure observed as a complication of a connective tissue disease. Also known as: PAH associated with connective tissue disease, connective tissue disease-associated PAH.