Lidocaine: Uses and Contraindications

What is the principal use of lidocaine?

Which of the following ailments is lidocaine used to relieve discomfort from?

Who developed lidocaine and in what year?

What is a contraindication for utilizing lidocaine?

What is the classification of lidocaine?

Which of the following indicates the potency of lidocaine relative to procaine?

Which enzyme system is involved in the metabolism of lidocaine?

What year was lidocaine launched for use?

Introduction

Lidocaine is a tertiary amine antiarrhythmic drug primarily used for local and topical anesthesia.
The first amino amide-type local anesthetic, previously amino esters, was developed by a Swedish scientist.
It was initially called "xylocaine" and launched in 1949.

Classification

Lidocaine's potency is 2 compared to procaine (procaine = 1).
It has a toxicity level of 2 relative to procaine.
Liver microsomal enzymes metabolize it.

Topical Uses

Lidocaine reduces discomfort and itching from ailments like sunburns, insect bites, stings, poison ivy, oak, sumac, and minor cuts/scratches.

Injectable Uses

Xylocaine Dental (lidocaine HCI) provides local anesthesia via nerve blocks or infiltrations for established procedures.
Only approaches outlined in mainstream textbooks are suggested.

Contraindications

Lidocaine is contraindicated for those allergic to amide-type local anesthetics.
It is also contraindicated for patients with Stokes-Adams syndrome, Wolff-Parkinson-White syndrome, or severe degrees of sinoatrial, atrioventricular, or intraventricular blocks.

Explore the diverse applications of Lidocaine, from its historical background to its classification and effective uses in local anesthesia. This quiz will also cover important contraindications to ensure safe usage. Test your knowledge on this essential medical topic.