DO_rare_slim has material basis in has symptom digenic disease chronic pulmonary heart disease primary pulmonary hypertension SNOMEDCT_US_2025_09_01:26174007 ICD10CM:I27.0 UMLS_CUI:C0152171 disease_ontology ICD9CM:416.0 DOID:14557 Idiopathic pulmonary arterial hypertension ORDO:422 MIM:265400 MIM:615344 MIM:615343 MIM:615342 MIM:178600 A chronic pulmonary heart disease characterized by an increase of blood pressure in the pulmonary artery, pulmonary vein, or pulmonary capillaries, among others, has symptoms shortness of breath, dizziness, fainting, leg swelling. Xref MGI. OMIM mapping confirmed by DO. [SN]. digenic inheritance syncope dizziness leg swelling dyspnea