英语语法分析

The major risk factors were hypokalemia, and severe arrhythmias including intraventricular block, ventricular parasystole and ventricular premature beats.

分析猝死的诱因主要有血清钾浓度降低，严重心律失常，包括室内传导阻滞、室性并行心律、室性早搏等。