Antiarrhythmics Flashcards
1
Q
Class 1A mech and example?
A
Intermediate Na channel blockers.
Disopyramide.
Use for ventricular arrhythmias.
2
Q
Class 1B mech and example?
A
Fast Na channel blockers.
Lignocaine.
Use for ventricular tachycardia.
3
Q
Class 1C mech and example?
A
Slow Na channel blockers.
Flecainide.
Use for paroxysmal atrial fib.
4
Q
Class 2 mech and example?
A
BB.
Atenolol.
5
Q
Class 3 mech and example?
A
K channel blockers.
Amiodarone- haemodynimically stable VT
Sotalol- VT and AF
6
Q
Class 4 mech and example?
A
Calcium channel blockers.
Verapamil and amlodipine.
AF and paroxysmal supraventricular tachycardia.