🧬 SyndromeScope
Syndrome reference sheet
Generated 13 Oct 2026
Cardiology · Cardiology / Congenital heart disease Ivemark syndrome
Also known as: Asplenia syndrome
Asplenia with right isomerism and complex heart disease.
- Medical specialty
- Cardiology
- Subspecialty
- Cardiology / Congenital heart disease
- Sex & age distribution
- Male: affected, more common; Female: affected; Children: yes, neonatal
- Gene(s) involved
- ACVR2B, CFC1, NODAL, ZIC3
Etiology & mechanism
Laterality gene defects.
Gene(s) involved (4)
ACVR2BCFC1NODALZIC3
Symptoms & signs (6)
aspleniacomplex heart diseasecyanosishowell–jolly bodiesinfectionsintestinal malrotation