Familial progressive cardiac conduction defect ICD10:I45.8 Familial Lenègre disease Familial Lev disease OMIM:612838 OMIM:140400 OMIM:113900 Familial Lev-Lenègre disease OMIM:604559 Familial progressive heart block Familial progressive cardiac conduction defect (PCCD) is a hereditary cardiac conduction disorder that may progress to complete atrioventricular (AV) block. The disease is either asymptomatic or manifests as dyspnea, dizziness, syncope, abdominal pain, heart failure or sudden death. OMIM:115080 Hereditary bundle branch defect Familial PCCD orphanet Rare genetic cardiac disease