Class III Antiarrhythmic Flashcards
1
Q
Medications
A
SAD banana
- Amiodarone
- Dofetilide
- Sotalol
2
Q
Action
A
-Block potassium channels and slow the outward movement of potassium during phase 3 of the action potential
3
Q
Indications
A
- Life-threatening ventricular arrhythmias
- Maintenance of sinus rhythm after conversion of atrial arrhythmias
4
Q
Contraindications
A
-None, when used for life-threatening arrhythmias
5
Q
Caution
A
-Shock, hypotension, respiratory depression, prolonged QT interval, renal or hepatic disease
6
Q
Adverse effects
A
-N/V, weakness, dizziness, arrhythmias
7
Q
Drug-Drug interactions
A
- Digoxin or quinidine
- Other specific drug interactions vary with individual drugs
