New 12,13 Flashcards
What action do class 1A drugs do?
Moderate Phase 0
What drugs are in 1A?
Quinidine
Procainamide
What action do class 1B do?
No change in phase 0
What drugs are in class 1B?
Lidocaine
What action do class 1C do?
Marked phase 0
What drugs are in class 1C?
Flecainide
What action do class 2 do?
Beta adrenergic blockers
What drugs are in class 2?
Propanolol
Esmolol
What action do class 3 do?
Prolong repolarization
What drugs are in class 3?
Amiodarone
Sotolol
Doferalide
Ibutilide
What action do class 4 do?
Ca+ channel blockers
What drugs are in class 4?
Verapamil
Dilitazem
What drugs block Na & some K channels?
1A
Quinidine
Procainamide
What is the effect of Procainamide on ECG?
Widened QRS, QT
What action does Procainamide do?
Slow CV in ventricle + atria
Increases APD