Class III Flashcards
1
Q
Harmful effects of Class III
A
Increase RR interval
Problems matching between upper limit of vulnerability and defib thresholds
2
Q
Beneficial effects of Class III
A
Decrease defib thresholds
Reduce inappropriate discharges
3
Q
Name Class III drugs
A
Amiodarone
Sotalol
Azimilide
“Am Sota azmil, K?”
4
Q
How do Class III drugs work
A
Affect K channels
Increase action potential duration
No effect on conduction velocity
5
Q
Class III is First line therapy for?
A
VT
Refractory VF
Atrial fibrillation/flutter
Amiodarone replaced lidocaine in VFib
