DO_rare_slim has symptom progressive familial heart block MIM:PS113900 disease_ontology ORDO:871 MIM:115080 DOID:0111073 A heart conduction disease characterized by autosomal dominant inheritance of a cardiac conduction defect that may progress to complete atrioventricular (AV) block and maybe asymptomatic of manifest as shortness of breath, dizziness, syncope, abdominal pain, heart failure or sudden death. PFHB familial Lenegre disease familial Lev disease familial Lev-Lenegre disease familial PCCD familial progressive heart block hereditary bundle branch defect heart conduction disease heart failure syncope abdominal pain dizziness dyspnea