Lidocaine is classified as a class Ib anti‐arrhythmic that blocks voltage‐ and pH‐dependent sodium channels. It exhibits well investigated anti‐arrhythmic effects and has been the anti‐arrhythmic …

Mar 14, 2024 · This article describes IV lidocaine antiarrhythmic properties; i.e., its use in treating arrhythmias, including ventricular tachycardia.

Why is this medication prescribed? Lidocaine injection is used to treat arrhythmias (irregular heartbeats). Lidocaine injection is in a class of medications called antiarrhythmics. It works by …

Jul 24, 2024 · Lidocaine is a local anesthetic and antiarrhythmic drug that belongs to the class I-B antiarrhythmic agents. It primarily works by blocking sodium channels in the cardiac cell …

4 days ago · This chapter walks through what clinicians and trainees need to know about lidocaine as an antiarrhythmic: how it works, where it fits, how to dose and monitor it, pitfalls, …

Jul 7, 2023 · Lidocaine is used intravenously to treat cardiac arrest that’s caused by a ventricular arrhythmia in people who don’t respond to defibrillation. It may help improve the chance of …

Sep 10, 2024 · Used as an alternative to other antiarrhythmic drugs (e.g., amiodarone, procainamide, sotalol) for the acute treatment of life-threatening ventricular arrhythmias such …

Jul 31, 2025 · Lidocaine is classified as a Class IB antiarrhythmic drug. It is primarily effective in treating ventricular arrhythmias, which originate in the heart’s lower chambers. Its ability to …

Although lidocaine systemic toxicity is rare, it may be life-threatening; thus, its early identification and management are of vital importance.

Jun 19, 2025 · Class Ib antiarrhythmic agents, including lidocaine, act primarily by blocking sodium channels in their inactivated state. These agents show rapid dissociation kinetics, …