英语语法分析

To evaluate the effect of continuous retrograde cold blood cardioplegia on myocardial protection.

目的：观察持续逆行灌注冷血停搏液对心肌的保护作用。

Continuous warm oxygenated blood cardioplegia is superior to cold crystalloid cardioplegia for myocardial protection.

持续含氧温血灌注停跳法对心肌保护优于冷晶体停跳液法。

Objective To observe the effect of lidocaine hyperkalemia warm blood cardioplegia (LHKWBCP) on dog electrocardia action.

目的观察利多卡因高钾温血心停搏液对犬心电活动的影响。