Fetal Echo · CHD Differentials
EchoAssist™ Navigator — Fetal Echo
Detailed fetal echocardiography protocol checklist aligned with current AIUM guidelines. Guides systematic evaluation of cardiac anatomy, rhythm, and function with built-in biometric reference ranges and CHD differential diagnosis support.
Protocol Progress
0/8
0% completeCritical: 0/8
Fetal Echo Protocol Checklist
Situs determination (stomach, liver, IVC, Ao)Critical
Cardiac axis (normal 45° ± 20°)Critical
4-Chamber view: chamber size, AV valves, IVS, IASCritical
LVOT / 5-Chamber view: aortic continuity, VSDCritical
RVOT / 3-Vessel view: PA, Ao, SVC, ductusCritical
Aortic arch: sidedness, isthmus size, retrograde flow?Critical
Pulmonary veins: all 4 draining to LA (color Doppler)Critical
Cardiac rhythm: regular rate 120–160 bpmCritical
Situs Determination Helper
Situs Solitus
Stomach left, liver right, apex left. Normal arrangement.
Situs Inversus
Mirror image. Stomach right, liver left, apex right.
Situs Ambiguus
Heterotaxy. Bilateral right (asplenia) or bilateral left (polysplenia).