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They can also help prevent the heart from beating too quickly or irregularly.","oneSentence":"Anti-arrhythmia agents work by regulating abnormal heart rhythms through various mechanisms, including blocking sodium channels, potassium channels, or calcium channels.","_ai_confidence":"high"},"_scrapedAt":"2026-03-28T01:01:44.050Z","_scrapedBy":"cloudflare-swarm","_wikipedia":{"url":"https://en.wikipedia.org/wiki/Antiarrhythmic_agent","title":"Antiarrhythmic agent","extract":"Antiarrhythmic agents, also known as cardiac dysrhythmia medications, are a class of drugs that are used to suppress abnormal heart rhythms, such as atrial fibrillation, supraventricular tachycardia and ventricular tachycardia."},"indications":{"approved":[{"name":"Supraventricular tachycardia"},{"name":"Ventricular fibrillation"},{"name":"Atrial fibrillation"}]},"trialDetails":[{"nctId":"NCT06669299","phase":"NA","title":"Non-Invasive Programmed Stimulation (NIPS) to Guide the Subsequent VT Therapeutic 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