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4 Cards in this Set

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Treatment of asxatic runs of VT (even in acute MI)
just correct K and Mg, reperfusion as necessary. But do not need anti-dysrhythmics.
Initial doses for electrocardioversion of mono- and polymorphic VT
mono 100 J
poly 200 J
Types of VT
Re-entrant (initiated by a PVC w/ current running through 2 areas w/ different refractory periods)

Triggered (R-on-T leading to alterations in depol/repol pattern)

Pacer mediated (ventricular beat conducts retrograde through AV node and triggers, depolarizes atrium which triggers pacer)
Asxatic VT in ischemia
1. Make sure K>4, Mg>2
2. Can use Esmolol if good BP (decreases automaticity)
3. Avoid anti-dysrhythmics