The ACG and CPW changes during isometric handgrip test were assessed in 30 normal subjects and 25 patients with positive ECG double two-step test in 13 cases and positive treadmill test in 12 cases.

• 本文报告25例心电图运动试验阳性患者及30例正常人作等容握力试验前后的心尖搏动图(ACG)及颈动脉脉波图(CPW)观察结果。