心外膜

The epicardial electrogram was used to measure the myocardial ischemia degree.

描记心外,计算心肌缺血程度。

Isochrones were displayed both during sinus rhythm and AF.Results During sinus rhythm,the atrial excitation wave front begins from sinus node spreading to right atrium(RA)and left atrium(LA).

在开胸状态下，使用自制的心外标测极及信号采集系统分别对窦心律及急房颤心律进行心房心外标测，绘制等时。