Fig. 1From: The transverse diameter of right common femoral vein by ultrasound in the supine position for predicting post-spinal hypotension during cesarean deliveryMeasurement of RCFV by ultrasound with the high frequency linear array probe. a M-mode image showing the transverse diameter of RCFV; b Pulsed-wave Doppler-mode image showing the peak velocity of RCFV. RCFV, right common femoral veinBack to article page