Class III Antiarrhythmic Drugs Flashcards
1
Q
Class II Antiarrhythmic Drugs
Drug Names
A
Amindarone
Dofetilide
Sotalol
2
Q
Indications
A
Life-threatening ventricular arrhythmias
Maintenance of sinus rhythm after conversion of atrial arrhythmias
3
Q
Mechanism of Action
A
Blocks potassium channels and slow the outward movement of potassium during phase 3 of the action potential
4
Q
Contraindications
A
When used for life-threatening arrhythmias there are no contraindication
5
Q
Adverse Effects
A
Nausea, vomiting, dizziness, arrhythmia
6
Q
Drug-Drug Interactions
A
Digoxin or Quinidine