QuestionSBA
QuestionChoice
Amiodarone belongs to the Class 3 antiarrhythmic agents. Class 2 antiarrhythmics are beta-blockers. A good mnemonic to use in order of the classes 1-4 is "some block potassium channels" whereby S = sodium blockers, B = beta blockers, P = potassium blockers, C = calcium blockers.
10001701
e
Class 2, potassium channel blocker
QuestionChoice
Amiodarone belongs to the Class 3 antiarrhythmic agents. Class 3 antiarrhythmics block potassium channels. A good mnemonic to use in order of the classes 1-4 is "some block potassium channels" whereby S = sodium blockers, B = beta blockers, P = potassium blockers, C = calcium blockers.
10001697
a
Class 3, potassium channel blocker
QuestionChoice
Amiodarone belongs to the Class 3 antiarrhythmic agents. Class 4 antiarrhythmics block calcium channels. A good mnemonic to use in order of the classes 1-4 is "some block potassium channels" whereby S = sodium blockers, B = beta blockers, P = potassium blockers, C = calcium blockers.
10001699
c
Class 3, calcium channel blocker
QuestionChoice
Amiodarone belongs to the Class 3 antiarrhythmic agents. Class 1 antiarrhythmics block sodium channels. A good mnemonic to use in order of the classes 1-4 is "some block potassium channels" whereby S = sodium blockers, B = beta blockers, P = potassium blockers, C = calcium blockers.
10001698
b
Class 3, sodium channel blocker
QuestionChoice
Amiodarone belongs to the Class 3 antiarrhythmic agents. Class 1 antiarrhythmics block sodium channels. A good mnemonic to use in order of the classes 1-4 is "some block potassium channels" whereby S = sodium blockers, B = beta blockers, P = potassium blockers, C = calcium blockers.
10001700
d
Class 1, potassium channel blocker
Concept
Chapter
2693
3961
Class III anti-arrhythmics: Potassium channel blockers
Topic
169
Cardiovascular pharmacology
12886
A patient is prescribed amiodarone to help control his ventricular arrhythmia.

To which antiarrhythmic class does this drug belong and what is its mechanism of action?
a