Interventional Cardiology Journal Open Access

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Commentary Article - (2023) Volume 9, Issue 3

Procainamide (PCA) is a Medication of the Antiarrhythmic Class used for the Treatment of Cardiac Arrhythmias
Joseph Morrison*
Department of Cardiology, Harvard University, USA
*Correspondence: Joseph Morrison, Department of Cardiology, Harvard University, USA, Email:

Received: 01-Mar-2023, Manuscript No. IPIC-23-16434; Editor assigned: 03-Mar-2023, Pre QC No. IPIC-23-16434 (PQ); Reviewed: 17-Mar-2023, QC No. IPIC-23-16434; Revised: 22-Mar-2023, Manuscript No. IPIC-23-16434 (R); Published: 29-Mar-2023, DOI: 10.21767/2471-8157.9.03.25


Cardiovascular arrhythmias can be treated with the antiarrhythmic drug Procainamide (PCA). The Vaughan Williams category system classifies it as magnificence as a result; cardiomyocytes use it as a sodium channel blocker. It additionally inhibits the IKr rectifier contemporary and blocks the INa contemporary. For the treatment of ventricular arrhythmias, procainamide is used: Supraventricular arrhythmias and ventricular tachycardia: Re-entrant and automatic supraventricular tachycardia, as well as atrial fibrillation. For example, it may be used to transform new-onset atrial traumatic inflammation, and notwithstanding the truth that it became to start with idea to be ineffective for this motive, a growing body of research is imparting evidence in assist of precisely this reason. It is directed with the aid of mouth, via intramuscular infusion, or intravenously. Procainamide induces an extensive range of poor outcomes. Ventricular dysrhythmia, bradycardia, hypotension, and shock are the destructive results. If the each day doses are improved, the bad outcomes arise even greater regularly. Additionally, procainamide may additionally cause drug fever and different hypersensitive reactions. Drug-induced lupus erythematosus, which concurrently causes arthralgia, myalgia, and pleurisy, may additionally arise. Acetylation of procainamide may be the purpose of the majority of those facet effects. There is a close-by line among the plasma groupings of the restorative and harmful effect, thusly a high gamble for poisonousness. Because procainamide reactivates hydroxylamine and nitroso metabolites, which bind to histone proteins and are poisonous to lymphocytes, many signs and symptoms resemble systemic lupus erythematosus. Agranulocytosis can be brought on with the aid of the hydroxylamine and nitroso metabolites that are also harmful to bone marrow cells. These metabolites are fashioned due to the initiation of polymorph nuclear leukocytes. Myeloperoxidase and hydrogen peroxide are launched with the aid of these leukocytes, which oxidize procainamide's number one aromatic amine to provide procainamide hydroxylamine. A breathing burst is another name for the discharge of hydrogen peroxide. Monocytes release procainamide, but lymphocytes do no longer. Activated neutrophils can also produce the metabolites. Autoantibodies that might react with the neutrophils could be launched as a result of these metabolites binding to their cell membranes. Procainamide hydroxylamine has greater cytotoxicity with the aid of ruining the response of lymphocytes to Immune gadget microorganism and B-cell mitogens. Methemoglobin, a protein that could preclude in addition oxygen change, can also be produced by using hydroxylamine. Procainamide, an antiarrhythmic medicine, changed into also observed to hinder pacemakers.


Due to the hydrophobic pathway, blockading from the extracellular side is weaker than blocking from the intracellular side. In addition, the channel's blocking famous reduced voltage sensitivity, which may be resulting from the blockading price's lack of voltage dependence. Because of its charged and hydrophilic shape, procainamide has its impact from the internal aspect, in which it reasons blockage of voltage-reliant, open channels. The frequency of prolonged blockages decreases without affecting their duration as procainamide attention increases. The pace of brief nonetheless up in the air by means of the film depolarization.


The author is grateful to the journal editor and the anonymous reviewers for their helpful comments and suggestions.

Conflict of Interest

The author declared no potential conflicts of interest for the research, authorship, and/or publication of this article.

Citation: Morrison J (2023) Procainamide (PCA) is a Medication of the Antiarrhythmic Class used for the Treatment of Cardiac Arrhythmias. Interv Cardiol J. 9:25.

Copyright: © 2023 Morrison J. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.