Anti-arrhythmics Flashcards
Class Ia type
Na+ channel
Class Ib type
Na+ channel
Class Ic type
Na+ channel
Class II type
Beta adrenoceptor
Class III type
K+ channel
Class IV type
Ca 2+ channel
Example of Class Ia
Disopyramide
Example of Class Ib
Lignocaine
Example of Class Ic
Flecainide
Example of Class II
Metoprolol
Example of Class III
Amiodarone
Example of Class IV
Verapamil
Rate control
Classes I and III
Rhythm control
Classes IV and II
Treatment of supraventricular arrhythmias
Adenosine, Digoxin, Verapamil, Amiodarone
Treatment of ventricular arrhythmias
Lignocaine, Flecainide, beta blockers, amiodarone, Disopyramide
Treatment of sinus bradycardia
Atropine if acute, pacing
Treatment of sinus tachycardia
Treat underlying, in acute: adenosine and verapamil, in chronic: ablation and beta blockers
Treatment of Ectopic beats
no initial treatment
Treatment of ventricular tachycardia
Cardioversion
Ventricular fibrillation
defib, CPR, implantable cardioverter defib
