Exam 3: Agents Used In Cardiac Arrhythmias Flashcards
0
Q
Which antiarrythmic drug can cause SLE-like symptoms?
A
Procainamide
1
Q
2 main goals of arrhythmia therapy:
A
- Reduce ectopic pacemaker activity
2. Modify conduction to make a better synchronous movement
2
Q
Which antiarrythmic encompasses all subclasses?
A
Amiodarone
3
Q
Don’t use this antiarrythmic drug in patients with post-MI
A
Flecainide
4
Q
How is lidocaine administered?
A
IV
5
Q
Which subclass of antiarrythmics increase concentration of ADP?
A
1A
6
Q
Which subclass of antiarrythmics decrease concentration of ADP?
A
1B
7
Q
Dofetilide inhibits which channels? A. Na B. K C. Ca D. Cl
A
B
8
Q
Which antiarrythmic has first pass hepatic metabolism? A. Procainamide B. Lidocaine C. Flecainide D. Propranolol
A
B
9
Q
What is the drug of choice for prompt conversion of paroxysmal supraventricular tachy to sinus rhythm because of its high efficacy? (90-95%)? A. Adenosine B. Potassium C. Mg D. Verapamil
A
A
10
Q
Oldest group of antiarrythmic drugs: A. Class 1 B. Class 2 C. Class 3 D. Class 4
A
Class 1
11
Q
Transmembrane potential of cardiac cells is determined by the concentrations of chiefly: A. Na B. K C. Ca D. Cl
A
A
