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2. Antiarrhythmic agent - Wikipedia

   en.wikipedia.org/wiki/Antiarrhythmic_agent

   Contraindicated in ventricular arrhythmias; Adenosine is used to treat supraventricular tachycardias, especially in heart failure and atrial fibrillation [9] Magnesium sulfate is used to treat torsades de pointes, a type of arrhythmia

3. Mexiletine - Wikipedia

   en.wikipedia.org/wiki/Mexiletine

   Mexiletine has several uses including the treatment of abnormal heart rhythms or arrhythmias, chronic pain, and myotonia. In general when treating arrhythmias, mexiletine is reserved for use in dangerous heart rhythm disturbances such as ventricular tachycardia. [3] It is of particular use when treating arrhythmias caused by long QT syndrome. [4]

4. Potassium channel blocker - Wikipedia

   en.wikipedia.org/wiki/Potassium_channel_blocker

   Amiodarone should only be used to treat adults with life-threatening ventricular arrhythmias when other treatments are ineffective or have not been tolerated. [ 5 ] Dofetilide blocks only the rapid K channels; this means that at higher heart rates, when there is increased involvement of the slow K channels, dofetilide has less of an action ...

5. Arrhythmia - Wikipedia

   en.wikipedia.org/wiki/Arrhythmia

   Several groups of drugs slow conduction through the heart, without actually preventing an arrhythmia. These drugs can be used to "rate control" a fast rhythm and make it physically tolerable for the patient. [citation needed] Some arrhythmias promote blood clotting within the heart and increase the risk of embolus and stroke.

6. Beta blocker - Wikipedia

   en.wikipedia.org/wiki/Beta_blocker

   Alpha-adrenergic antagonists are also used for treatment of ureteric stones, pain and panic disorders, withdrawal, and anesthesia. [36] [37] Beta blockers are used to treat acute cardiovascular toxicity (e.g. in overdose) caused by sympathomimetics, for instance caused by amphetamine, methamphetamine, cocaine, ephedrine, and other drugs. [38]

7. Amiodarone - Wikipedia

   en.wikipedia.org/wiki/Amiodarone

   Amiodarone has been used both in the treatment of acute life-threatening arrhythmias as well as the long-term suppression of arrhythmias. [13] Amiodarone is commonly used to treat different types of abnormal heart rhythms, such as atrial arrhythmias (supraventricular arrhythmias) and ventricular arrhythmias.

8. Flecainide - Wikipedia

   en.wikipedia.org/wiki/Flecainide

   Flecainide is a medication used to prevent and treat abnormally fast heart rates. [1] This includes ventricular and supraventricular tachycardias. [1] Its use is only recommended in those with dangerous arrhythmias or when significant symptoms cannot be managed with other treatments. [1] Its use does not decrease a person's risk of death. [1]

9. Quinidine - Wikipedia

   en.wikipedia.org/wiki/Quinidine

   Quinidine is a class IA antiarrhythmic agent used to treat heart rhythm disturbances. [1] It is a diastereomer of antimalarial agent quinine, [2] originally derived from the bark of the cinchona tree. The drug causes increased action potential duration, as well as a prolonged QT interval. As of 2019, its IV formulation is no longer being ...