Antiarrhythmic Flashcards
1
Q
Class 1 A
Block fast Na channels
Blocks k channel
A
Quinidine (muscarin blocker, alpha block) (effect adverse cinchonism)
Procainamide (SLE)
2
Q
Class 1B
Preference for tissues partially depolarize
A
Lidocaine
Mexiletine
3
Q
Class 1c
A
Flecainide (proarrhythmogenic)
4
Q
Class II
A
Propranolol
Atenolol
Esmolol
5
Q
Class III
K channel blockers
A
Amiodarone (mimics 1, 2, 3, and 4 types) (side effects: pulmonary fibrosis, smurf skin, hepatic and thyroid disfunction)
Sotalol (non selective beta blocker)
6
Q
Class IV
Ca channel blockers
A
Verapamil
Diltiazem
7
Q
Unclassified
A
Adenosine (paroxysmal Supra ventricular tachycardia) (antagonized by methylxantines)
Magnesium (torsades de pointes)