Table 1

Abnormal cardiac scans showing structural abnormality

Patient	Indication	GA (weeks^+days)	Cardiac findings	Other ultrasound findings	Karyotype	Outcome
Ao, aorta; AVSD, atrioventricular septal defect; DORV, double outlet right ventricle; GA, gestational age; NT, nuchal translucency; PA, pulmonary artery; RV, right ventricular; T21, trisomy 21; TOP, termination of pregnancy; TV, transvaginal scan; VSD, ventricular septal defect.
1	Abnormal four chamber scan	12⁺¹	Left isomerism, AVSD, two great arteries	Encephalocoele	Normal	TOP at 14⁺¹ weeks, postmortem confirmation; additional interrupted aortic arch
2	Increased NT, mosaicism for T21	14⁺⁴	Possible AVSD (no TV done)	Nil	T21 (mosaicism)	TOP at 14⁺⁶ weeks, postmortem AVSD
3	Increased NT, T21	15⁺⁵	AVSD	Nil	T21	Intrauterine death at 17⁺⁶ weeks, no postmortem examination
4	Increased NT	12⁺⁶	Hypoplastic left heart syndrome	Hydropic fetus	Normal	TOP at 13 weeks, postmortem confirmation
5	Bradycardia	12⁺⁵	Left isomerism, common atrium, AVSD, common valve, DORV (Ao <PA), heart block (rate 60 beats/min)	Nil, normal NT	Normal	TOP at 13⁺³ weeks, postmortem confirmation; additional severe distal arch hypoplasia
6	Previous T21, AVSD	13⁺²	Possible VSD (no TV done)	Increased NT, hydropic fetus	T21	TOP at 13⁺⁶ weeks, postmortem perimembranous outlet VSD
7	Increased NT, T21	14⁺⁶	AVSD, pulmonary atresia	Nil	T21	TOP at 16⁺⁴ weeks, no postmortem examination
8	Increased NT	13⁺³	Complete transposition	Nil	Normal	Live birth, successful neonatal arterial switch procedure
9	Increased NT	14⁺⁰	Mitral atresia, VSD, pulmonary atresia	Nil	Normal	TOP at 14⁺³ weeks, postmortem confirmation
10	Increased NT, bradycardia	11⁺³	Left isomerism, AVSD, heart block	Nil	Not done	TOP at 12⁺⁵ weeks, no postmortem examination
11	Family history	14⁺⁵	Small mitral valve, left ventricle, pulmonary atresia	Nil	Not done	TOP at 14 weeks, no postmortem examination
12	Increased NT	13⁺⁴	Tricuspid atresia	Nil	Normal	TOP <16 weeks, no postmortem examination
13	Increased NT, pericardial effusion	14⁺⁴	Large cardiac diverticulum, pericardial effusion	Hydrops	Normal	Live birth, small RV diverticulum
14	Increased NT	15⁺⁵	AVSD	Nil	T21	Live birth, successful AVSD repair