Integration of Fetal Middle Cerebral Arterial (MCA) Ultrasonography in Acute Fetal-Maternal Hemorrhage

Figure 2

Emergent MCA doppler. Shown is the left MCA doppler obtained by maternal fetal medicine staff at time of fluctuating electronic fetal heart monitoring (EFM). Increased MCA Peak Systolic Velocity (PSV) is indicative of severe fetal anemia.