Which drug is a class 3 antiarrhythmic drug?
Which drug is a class 3 antiarrhythmic drug?
Class 3 antiarrhythmics are drugs that block cardiac tissue K channels. The medications in this class include amiodarone, dronedarone, sotalol, ibutilide, dofetilide, and bretylium. The main mechanism of action includes blocking the cardiac K channels to prolong repolarization.
Is digoxin an antiarrhythmic?
Digoxin is another example of a medicine that can be used as an antiarrhythmic, although it is not included in the above categories. Because each class of medicine works in a slightly different way, there is no one medicine to treat every kind of arrhythmia.
Is amiodarone a Class 1 antiarrhythmic?
Although amiodarone is considered a class III anti-arrhythmic agent, it also has class I, II, IV actions, making it a unique and effective anti-arrhythmic agent.
What are the different types of antiarrhythmic drugs?
Class I – Sodium-channel blockers
What medicines are good for irregular heartbeat?
Propafenone is used to treat arrhythmia (irregular heartbeat) and to maintain a normal heart rate. Propafenone is in a class of medications called antiarrhythmics.
What class is the anti-arrhythmic?
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 the AV node. Class V agents work by other or unknown mechanisms.
