Fig. 4From: Evaluation of radial and ulnar artery blood flow after radial artery decannulation using colour Doppler ultrasoundThe measurement of PSVR for four time points on the side ipsilateral to the cannulation. The PSVR increased from 59.6 cm/s at T0 to 63.1 cm/s at T1, and then decreased to 59.4 cm/s at T2 and 57.3 cm/s at T3Back to article page