Anti-arrhythmic Drugs


Sodium-channel blockers are in Class I.

Beta-blockers are in Class II.

Potassium-channel blockers, Class III.

Calcium-channel blockers are in class IV.

Adenosine is a kind of adenosine. - a supplement of electrolytes (magnesium and potassium salts) - digitalis derivatives (cardiac glycosides) Amiodarone is the most powerful antiarrhythmic drug available. Amiodarone's adverse event profile can be severe, with gastrointestinal side effects being the most common. Dronedarone was the antiarrhythmic medicine with the best tolerability, with the fewest severe adverse effects and a significant reduction in the risk of stroke. In patients without structural heart disease, we use propafenone, flecainide, sotalol, and dronedarone as first-line therapies. Beta-blockers affect predominantly slow-channel tissues (Sino atrial [SA] and atrioventricular [AV] nodes), where they reduce rate of automaticity, slow conduction velocity, and prolong refractoriness. Blood pressure medications known as alpha blockers are a type of blood pressure medication. They work by stopping the hormone norepinephrine from tightening the muscles in the walls of smaller arteries and veins, lowering blood pressure. The blood vessels remain open and relaxed as a result. Blood flow is improved, and blood pressure is reduced as a result.



 


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