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1. anesthetic lidocaine powder, xylocaine, or lignocaine is a common local anesthetic and class*1b antiarrhythmic drug. Lidocaine is used topically to relieve itching, burning, and pain from skin inflammations, injected as a dental anesthetic, or as a local anesthetic for minor surgery.
2.It is on the World Health Organization's List of Essential Medicines, a list of the most important medications needed in a basic healthcare system.
3. Lidocaine is the most important class*1b antiarrhythmic drug; it is used intravenously for the treatment of ventricular arrhythmias if amiodarone is not available or contraindicated.
4. Lidocaine should be given for this indication after defibrillation, CPR, and vasopressors have been initiated. A routine prophylactic administration is no longer recommended for acute cardiac infarction; the overall benefit of this measure is not convincing.


Anesthetic lidocaine powder Description:

1.Lidocaine hcl is a local anesthetic and antiarrhythmic drug. It is clinically used for infiltration anesthesia, epidural anesthesia, surface anesthesia (including in the thoracoscopy or abdominal surgery for mucosal anesthesia) and nerve conduction block.

2.Lidocaine hcl is an amide local anesthetic. With the dose increased, the role or toxicity increased, there is an anti-convulsive effect with sub-poisoning plasma concentration; Blood concentration of more than 5μg • ml*1 can occur convulsions.

3.Lidocaine hcl in low doses can promote outflow of K+ in cardiomyocytes, reduce myocardial autonomy, and has antiarrhythmic effects.  Increased plasma concentration may cause slowing of heart conduction, atrioventricular block, inhibition of myocardial contractility and decreased cardiac output.