click below
click below
Normal Size Small Size show me how
Cardiology
Step 2
Question | Answer |
---|---|
What EKG findings do you need to diagnose WPW? | Tachyarhythmia PR<0.12 seconds Delta wave Wide complex QRS or Narrow Complex |
What cardiac drugs should you avoid in a patient with WPW? | Digoxin, B-blockers, Verapamil, Adenosine: they all work on the AV node and will not affect the accessory pathway and can make the tachyarrhythmia worse. |
How do you medically treat WPW? | Procainamide (Class Ia)-works on Na channels and will act on the bundle of kent and increases the refractory period helping to insulate and slow down the accessory path or -Amiodarone (Class3) IV for acute exacerbations, also oral for long term |