heart conduction disease progressive familial heart block https://www.malacards.org/card/familial_progressive_cardiac_conduction_defect https://www.malacards.org/card/progressive_familial_heart_block DOID:0111073 familial Lenègre disease familial progressive heart block GARD:0010005 OMIMPS:113900 ICD9:426.6 Orphanet:871 hereditary bundle branch defect SCTID:93130009 familial Lev-Lenègre disease icd11.foundation:1762068981 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. SCTID:698249005 MONDO:0019490 cardiogenetic rhythm disorder