Anti-arrythmetic Drugs Flashcards
1
Q
Quinidine and Procainamide
A
class IA Na+ channel blockers
2
Q
Lidocaine
A
- class IB Na+ channel blockers
- binds to open and inactivated Na+ channels
- decreases automaticity
3
Q
Flecainide
A
class IC Na+ channel blocker
4
Q
Propanolol and Metoprolol
A
- class II beta-adrenergic receptor antagonists
- antiarrhythmic actions
5
Q
Amiodraone and Sotalol
A
- class III K+ channel blockers
- block outward K+ currents in phase 3 of ventricular action potential
6
Q
Diltiazem
A
- class IV Ca2+ channel blockers
- vasodilation
- decreased AV nodal conductance
- reflex increase in HR
7
Q
Digitalis
A
class V
