Class III Flashcards
1
Q
Class III
MOA-
A
Block potassium channels and slow the outward movement of potassium during phase 3 of the action potential
2
Q
Class III
Indications-
A
- Life threatening ventricular arrhythmias
- To maintain/stay in that rhythm after conversion from aflutter
3
Q
Class III
Names-
A
- Amiodarone (P)
- Dofetilide
- Sotalol
4
Q
Class III
Contraindications-
A
NONE
5
Q
Class III
Caution-
A
- Shock
- Hypotension
- Resp. depression
- Prolonged QT interval
- Renal/hepatic dz
6
Q
Class III
Adverse effects-
A
- N/V
- *Weakness
- *Dizziness
- *Arrhythmia
- Most common
7
Q
Class III
Drug-Drug
A
- Digoxin or Quinidine (increase risk of toxic effects)
- Other specific drugs- look them up
