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抗心律失常药物的应用是许多高危心律失常的重要抢救措施。现就儿科急救医学领域中常用的抗心律失常药简述如下。１ 利多卡因ａ． 适应证：室性心律失常。为室性心动过速及室颤、频发室性早搏（多源性或连续３次以上室性早搏）首选药物，属Ⅰｂ类抗心律失常药。ｂ． 剂量：
The use of anti-arrhythmic drugs is an important rescue measure for many high-risk arrhythmias. Antiarrhythmic drugs commonly used in pediatric emergency medicine are now briefly described below. 1 lidocaine a. Indications: Ventricular arrhythmia. Ventricular tachycardia and ventricular fibrillation, frequent premature ventricular contractions (multi-source or more than 3 consecutive ventricular premature beats) preferred drug, is a class Ib anti-arrhythmic drugs. b. Dosage: