Question 338 · LEK · Serological incompatibility, alloimmunization and hemolytic disease of the fetus and newborn
Doppler ultrasound blood flow assessment for the diagnosis of hemolytic disease of the fetus involves measuring peak systolic velocity in:
- A. umbilical artery.
- B. venous duct.
- C. middle cerebral artery of the fetus.
- D. anterior cerebral artery of the fetus.
- E. uterine arteries of the mother.
Hint
Fetal anaemia lowers blood viscosity and raises cardiac output; think which fetal brain vessel can be measured at a near-zero angle.
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