🧬 SyndromeScope
Syndrome reference sheet
Generated 13 Oct 2026
Cardiology · Cardiology / Pediatric cardiology Sudden infant death syndrome with cardiac cause
Also known as: SIDS-related channelopathy
Infant death possibly attributable to long QT or other channelopathy.
- Medical specialty
- Cardiology
- Subspecialty
- Cardiology / Pediatric cardiology
- Sex & age distribution
- Male: affected, slightly more common; Female: affected; Children: yes, infants under 1 year
- Gene(s) involved
- CAV3, KCNH2, KCNQ1, RYR2, SCN4B, SCN5A
Etiology & mechanism
Genetic variants in ion channel genes found in a minority of SIDS cases.
Gene(s) involved (6)
CAV3KCNH2KCNQ1RYR2SCN4BSCN5A
Symptoms & signs (2)
no prior symptomssudden unexplained death