Method The two- dimensional and Doppler echocardio-graphy examined diastolic function of left ventricular and the surface electro cardiograph examined QT dispersion of renal failure patients.

• 方法 对57例肾功能衰竭患者通过二维超声及多普勒心脏检查；同时测定体表心电图QT离散度(QTcd)；观察左室舒张功能、左室内径及QT间期离散度及其它临床指标.