【摘要】 fQRS被视为心肌瘢痕的标记,心肌纤维化导致心肌动作电位的缓慢和不均一。心电图T波峰末间期(Tp-e间期)代表心室复极化离散,被公认为反映跨室壁离散度的诊断性指标。缺血性J波是由心肌缺血损伤导致的瞬时外向钾离子流(Ito)增强引起。上述可作为恶性室性心律失常及心脏性猝死的高危预警指标。相关研究综述如下。更多还原

【Abstract】 Fragmented QRS complex has been regarded as marker of myocardial scar. Myocardial fibrosis causes slow and inhomogeneous activation. The interval between Tpeak and Tend,a novel marker of heterogeneity of ventricular repolarization,has been recognized as a surrogate diagnostic parameter of transmural dispersion of repolarization. Ischemic J-wave results from increased Ito of cardiac ischemic. This markers may serve as high-risk warning of malignant ventricular arrhythmia and sudden cardiac death. So a review is made on correlative research in recent years.更多还原