Femoral artery Doppler pattern
(Click on image for an enlarged view)
Doppler ultrasound tracing from the left femoral artery is seen the lower panel. The tall upward component is the predominant systolic flow. The graduation at the right end is the velocity in cm/sec. The upper panel shows the longitudinal image of the femoral artery seen as a dark longitudinal shadow in the middle of the image. The imaging line with cursor within the lumen of the femoral artery is also seen in the upper panel.