Verapamil (Isoptin, Calan) Flashcards
1
Q
What class is verapamil
A
Antiarrhythmic
2
Q
What are the actions
A
A. Blocks slow-calcium channels.
B. Reduces contractility & Myocardial oxygen consumption.
C. Dilated coronary and peripheral blood vessels, reducing SVR
D. Slows conduction and prolongs refractory period of AV Node.
3
Q
What are the indications
A
A. PSVT
B. Controls ventricular response in Atrial Fibrillation and Flutter.
4
Q
Precautions
A
A. Patients taking Digitalis, Inderal or Beta Blockers.
B. Cardiogenic Shock
C. Sinus Node Disease
D. AV Blocks
E. Hypotension
5
Q
Dosages
A
A. 0.1mg/kg repeated in 30 min.
B. 5-10mg IV bolus
6
Q
Side effects
A
A. Hypotension
B. Bradycardia
C. AV Blocks
D. Cardiac Arrest
