AVSD – amnio trisomy 21 — RACP Paediatrics MCQ

Instant feedback + full explanation. One question, done properly.

ModerateCardiologyAVSD – amnio trisomy 21RACP Paediatrics

An 18-week fetal echo identifies a complete AVSD. What additional investigation should be offered?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: D — Amniocentesis for karyotype

~40-50% of complete AVSDs are associated with trisomy 21. Amniocentesis for karyotype/microarray should be offered.

Reference: RACP Paediatric Curriculum – Cardiology/Genetics