1. Lidocaine is a local anesthetic, also known as xylocaine. In recent years, it has replaced procaine and is widely used in cosmetic and plastic surgery for local infiltration anesthesia. It inhibits the sodium ion channel of the nerve cell membrane. to block nerve excitation and conduction.
2. Lidocaine can also be used to treat ventricular premature beats, ventricular tachycardia, ventricular arrhythmias caused by digitalis poisoning, cardiac surgery and cardiac catheterization after acute myocardial infarction, including ventricular premature beats, ventricular tachycardia tachycardia and ventricular fibrillation.