Fig. 2From: The transverse diameter of right common femoral vein by ultrasound in the supine position for predicting post-spinal hypotension during cesarean deliveryMeasurement of IVC by ultrasound with the cardiac probe. a M-mode image showing the anteroposterior diameter of IVC; b Pulsed-wave Doppler-mode image showing the peak velocity of IVC; IVC, inferior vena cavaBack to article page