📝 FETAL ULTRASOUND TEMPLATES
🧾 Early First Trimester (GS)
🧾 First Trimester (Embryo 6–10w 6d)
🧾 First Trimester (11–13w 6d)
🧾 Second Trimester
🧾 Third Trimester
🧾 NT Screening
🧾 NT Screening – Specific Doppler
🧾 Fetal Anomalies Screening / TIFA
🧾 TIFA-Specific Fetal Doppler
🧾 Doppler Studies
🧾 Biophysical Profile / NST
🧾 RMT Assessment
─── 🧾 Fetal Doppler Study ───
Templates
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COMPLETE FETAL DOPPLER DIAGNOSTIC FINDINGS
1 NORMAL FETAL CIRCULATION
📄 UA PI normal + MCA PI normal → CPR normal.
Normal fetoplacental and cerebral circulation.
No Doppler evidence of fetal compromise.
Normal fetoplacental and cerebral circulation.
No Doppler evidence of fetal compromise.
2 UTEROPLACENTAL DYSFUNCTION
📄 Uterine artery PI ↑ with normal UA & MCA
Impaired placentation.
Increased risk of preeclampsia / FGR.
Impaired placentation.
Increased risk of preeclampsia / FGR.
3 PLACENTAL INSUFFICIENCY
📄 UA PI ↑ + MCA PI normal → CPR ↓
Increased placental vascular resistance
Increased placental vascular resistance
4 FETAL HYPOXIA (BRAIN-SPARING EFFECT)
📄 UA PI ↑ + MCA PI ↓ → CPR ↓
Cerebral vasodilatation noted
Adaptive fetal response to hypoxia
Cerebral vasodilatation noted
Adaptive fetal response to hypoxia
5 LATE-ONSET FGR
📄 UA PI normal + MCA PI ↓ → CPR ↓
Late-onset placental dysfunction
Cerebral redistribution with preserved UA flow
Late-onset placental dysfunction
Cerebral redistribution with preserved UA flow
6 EARLY-ONSET FGR
📄 UA PI ↑ + MCA PI normal / ↓ → CPR ↓
Placental insufficiency–dominant pattern
Placental insufficiency–dominant pattern
7 SEVERE PLACENTAL INSUFFICIENCY
📄 UA AEDF → Critical placental resistance
📄 UA REDF → Severe placental failure
8 ADVANCED FETAL COMPROMISE
📄 UA AEDF / REDF + MCA PI ↓
Abnormal ductus venosus waveform
Absent / reversed DV A-wave
High risk of fetal acidosis / IUFD
Abnormal ductus venosus waveform
Absent / reversed DV A-wave
High risk of fetal acidosis / IUFD
9 TERMINAL FETAL DECOMPENSATION
📄 Pulsatile umbilical venous flow
📄 Combined UA + DV + UV abnormalities
10 FETAL ANEMIA
📄 MCA PSV >1.29 MoM → Mild anemia
📄 MCA PSV >1.5 MoM → Moderate anemia
📄 MCA PSV >1.55 MoM → Severe anemia
11 FETAL POLYCYTHEMIA
📄 MCA PSV <1.0 MoM
Increased blood viscosity
Increased blood viscosity
12 TAPS (TWIN ANEMIA–POLYCYTHEMIA SEQUENCE)
📄 Donor twin: MCA PSV >1.5 MoM
📄 Recipient twin: MCA PSV <1.0 MoM
13 TTTS (TWIN-TO-TWIN TRANSFUSION SYNDROME)
📄 Donor: UA PI ↑ + oligohydramnios
📄 Recipient: Cardiac strain + abnormal DV
14 SELECTIVE FGR (TWINS)
📄 Type I – Persistent positive UA EDF
📄 Type II – Persistent AEDF / REDF
📄 Type III – Intermittent AEDF
15 FETAL CARDIAC FAILURE / HYDROPS
📄 Abnormal DV + UV pulsatility
Elevated central venous pressure
Elevated central venous pressure
16 OVERALL DOPPLER PROGNOSIS
📄 Favorable fetal hemodynamics
📄 Compromised fetal circulation
📄 Severe fetal compromise – urgent intervention advised
16 CARDIAC FUNCTION & CONGENITAL HEART DISEASE (DOPPLER CORRELATION)
📄 Abnormal ductus venosus with normal UA & MCA
Suggestive of primary fetal cardiac dysfunction.
Placental cause less likely.
Suggestive of primary fetal cardiac dysfunction.
Placental cause less likely.
📄 Absent / reversed DV A-wave with preserved CPR
Indicative of impaired cardiac preload or myocardial dysfunction.
Underlying congenital heart disease cannot be excluded.
Indicative of impaired cardiac preload or myocardial dysfunction.
Underlying congenital heart disease cannot be excluded.
📄 Persistent abnormal DV despite normal placental Doppler
Favors cardiac etiology over placental insufficiency.
Targeted fetal echocardiography advised.
Favors cardiac etiology over placental insufficiency.
Targeted fetal echocardiography advised.
17 SPECIFIC CONGENITAL CARDIAC ANOMALY – SUGGESTIVE DOPPLER PATTERNS
📄 Severe tricuspid regurgitation + dilated right atrium ± abnormal DV
Suggestive of Ebstein anomaly.
Right-sided volume overload suspected.
Suggestive of Ebstein anomaly.
Right-sided volume overload suspected.
📄 Moderate TR with relatively preserved CPR
May indicate tricuspid valve dysplasia.
Structural atrioventricular valve abnormality suspected.
May indicate tricuspid valve dysplasia.
Structural atrioventricular valve abnormality suspected.
📄 Abnormal DV waveform with raised right heart pressures
Suggestive of pulmonary stenosis / RV outflow tract obstruction.
Increased right ventricular afterload.
Suggestive of pulmonary stenosis / RV outflow tract obstruction.
Increased right ventricular afterload.
📄 Abnormal DV + UV pulsatility with normal MCA PSV
Cardiac failure rather than fetal anemia likely.
Consider cardiomyopathy or complex congenital heart disease.
Cardiac failure rather than fetal anemia likely.
Consider cardiomyopathy or complex congenital heart disease.
📄 Abnormal DV + abnormal CPR
Combined placental and cardiac pathology suspected.
Poor prognostic indicator.
Combined placental and cardiac pathology suspected.
Poor prognostic indicator.
18 CARDIAC RISK STRATIFICATION (DOPPLER-BASED)
📄 Low cardiac risk: Normal DV waveform, no TR, normal CPR.
📄 Intermediate cardiac risk: Isolated TR or mildly abnormal DV with normal placental Doppler.
📄 High cardiac risk: Abnormal DV ± TR ± UV pulsatility.
📄placental insufficiency with fetal redistribution (brain-sparing effect)
📄mild oligohydramnious
Patient Info
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