49 - Ventricular Tachyarrhythmias Flashcards Preview

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Flashcards in 49 - Ventricular Tachyarrhythmias Deck (7):
1

Non-pharm treatment for monomorphic VT unstable?

-cardioversion is effective and safe
-if this is not considered necessary, antiarrhythmic drug therapy can be given

2

Non-pharm treatment for polymorphic VT or VF?

give shock, repeat as necessary until defibrillation is achieved

3

What are non-pharm options for chronic therapy for prevention of VT/VF recurrence?

ICD, catheter ablation, map-guided endocardial resection

4

What are some pharmacologic choices for immediate therapy for sustained VT or VF?

-amiodarone
-procainamide
-magnesium for torsade de points
-BBs can prevent VT or VF in setting of acute MI
-lidocaine

5

What can amiodarone cause?

hypotension or phlebitis

6

lidocaine at high doses can cause ____ effects

CNS

7

What are some pharmacological options for chronic therapy for prevention of VT/VF recurrence?

-BBs to suppress arrhythmias and reduce mortality after MI or in HF
-amiodarone and sotalol
-if resistant to combo of BB and amiodarone, can add a class 1 agent (mexiletine, quinidine or procainamide)

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