cardiac drugs: antiarrhythmics - general Flashcards
1
Q
arrhythmias are usually caused by a group of ___ cells
they ___ on their own, not in conjunction with the SA node
A
- abnormal
- depolarize
2
Q
Antiarrhythmics prevent autodepolarization of these abnormal cells by doing what?
A
slowing down the movement of ions through their cell membranes
3
Q
- lidocaine
- quinidine
- procainamide
Sodium influx inhibitors, calcium channel blockers, or
beta blockers?
A
Sodium influx inhibitors
4
Q
propanolol
Sodium influx inhibitor, calcium channel blocker, or
beta blocker?
A
beta blocker
5
Q
- diltiazem
- verapamil
Sodium influx inhibitors, calcium channel blockers, or
beta blockers?
A
calcium channel blockers
6
Q
these may decrease heart contractility
A
calcium channel blockers
