Doppler tissue imaging (DTI) and two dimensional echocardiography (2DE) were performed in 13 patients with known coronary heart disease and 15 normal subjects during Cold Pressor Test (CPT),to assesse the ventricular wall motion (VWM).

• 本文对13例经冠脉造影确诊的冠心病患者和15例正常人运用多普勒组织成像技术（DTI）和传统的二维超声心动图（2DE）观察冷加压试验（CPT）前后的室壁运动情况。