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Where is lidocaine used?
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Where is lidocaine used?

Views:0     Author:Site Editor     Publish Time: 2021-03-22      Origin:Site

Lidocaine is an amide local anesthetic. It is widely used in surface anesthesia, infiltration anesthesia, conduction anesthesia and epidural anesthesia.

Lidocaine is is a local anesthetic and can also be used to treat ventricular tachycardia.Lidocaine hydrochloride is a white crystalline powder, which is easily soluble in water. It has strong and lasting local anesthesia effect and good surface penetration. It can be injected or used as surface anesthesia.Lidocaine can be used for nerve block. When lidocaine is mixed with a small amount of epinephrine, it can be used in a higher dose for anesthesia and maintain long-term effect. Anesthesia by injection produces a reaction within four minutes and lasts for two to three hours.Lidocaine can also be used directly on the skin for anesthesia.

Lidocaine is generally safe for pregnant patients, and patients with liver diseases may need to use a lower dose. Injecting lidocaine into joints may cause problems to cartilage. Lidocaine is relatively safe for those who are allergic to tetracaine or benzocaine. It is also a 1b grade medication of antiarrhythmic drugs.

With the in-depth study of lidocaine, it is found that it also shows good effect in the treatment of other diseases.

1.Treatment of vestibular neuritis

Lidocaine can block the excitability of sympathetic nerve of blood vessels, reduce its contractile effect on vascular smooth muscle, and relatively enhance the excitability of parasympathetic nerve, so as to improve blood microcirculation. It can improve the blood supply around vestibular nerve of inner ear and eliminate the obstruction of endolymphatic reflux.

2.Prevention of cardiovascular response during tracheal extubation

When endotracheal intubation of general anesthesia patients is about to end, the anesthetic dose should be reduced to the time when laryngopharyngotracheal reflex is restored. Extubation can cause cardiovascular reaction similar to intubation, and also cause cough, which is extremely unfavorable to patients with hypertension, coronary heart disease and high intracranial pressure. Lidocaine can prevent this reaction.

3.Treatment of epilepsy

Lidocaine can pass through the blood-brain barrier, excite and then inhibit the activity of central neurons, and block the transmission at the junction of nerve and muscle. It has a good effect on status epilepticus.

4.Treating asthma

Lidocaine is a powerful inhibitor of irritating cough, and can also inhibit bronchial asthma.

5.Treatment of renal colic

Lidocaine has spasmolysis, dilation of ureter and mild analgesic effect, can relieve renal colic.

 




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