Sam Aznaurov, MD, FACC, FHRS Profile picture
Ablator, implanter, extractor, occluder, educator, learner, and all-around EP geek. Posts represent personal opinion, not medical advice.
Aug 13, 2018 24 tweets 12 min read
Our #FITSurvivalGuide continues with antiarrhythmic drugs! (AADs)

1️⃣Basic concepts
3️⃣Class 1(a/b/c)
4️⃣Class 3
6️⃣Clinical use
7️⃣Pearls and pitfalls 1️⃣ Arrhythmias originate from ectopy +/- reentry.

AADs work by:
*⬇️ing ectopy
*⬆️ing refractoriness (⬇️ing reentry)