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The five main classes in the Vaughan Williams classification of antiarrhythmic agents are: Class I agents interfere with the sodium (Na +) channel. Class II agents are anti-sympathetic nervous system agents. Most agents in this class are beta blockers. Class III agents affect potassium (K +) efflux. Class IV agents affect calcium channels and ...
Class of antihypertensives that work by causing relaxation of blood vessels as well as a decrease in blood volume, which leads to lower blood pressure and decreased oxygen demand from the heart. [1] Benazepril; Captopril; Enalapril; Fosinopril; Lisinopril; Moexipril; Perindopril; Quinapril; Ramipril; Trandolapril
Pharmacological cardiotoxicity is defined as cardiac damage that occurs under the action of a drug. This can occur both through damage of cardiac muscle as well as through alteration of the ion currents of cardiomyocytes. [1] Two distinct drug classes in which cardiotoxicity can occur are in anti-cancer and antiarrhythmic drugs.
It is a class II antiarrhythmic. [4] Esmolol decreases the force and rate of heart contractions by blocking beta-adrenergic receptors of the sympathetic nervous system, which are found in the heart and other organs of the body. Esmolol prevents the action of two naturally occurring substances: epinephrine and norepinephrine. [5]
Pages in category "Antiarrhythmic agents" The following 59 pages are in this category, out of 59 total. This list may not reflect recent changes. ...
Ibutilide is a Class III antiarrhythmic agent that is indicated for acute cardioconversion of atrial fibrillation and atrial flutter of a recent onset to sinus rhythm. It exerts its antiarrhythmic effect by induction of slow inward sodium current, which prolongs action potential and refractory period of myocardial cells. Because of its Class ...
This contrasts with (ordinary) use dependence, where the efficacy of the drug is increased after repeated use of the tissue. Reverse use dependence is relevant for potassium channel blockers used as class III antiarrhythmics. Reverse use dependent drugs that slow heart rate (such as quinidine) can be less effective at high heart rates. [11]
This category reflects the organization of Anatomical Therapeutic Chemical Classification System code C. Generally, drugs outlined within the ATC code C should be included in this category. Please see WP:PHARM:CAT for more information.