verapamil

Question 1

Trade names for verapamil

Answer 1

Isoptin

Calan

Question 2

Classes for verapamil

Answer 2

Calcium channel blocker

Antidysrhythmic

Question 3

Standard supply for verapamil

Answer 3

Vial

Question 4

MOA for verapamil

Answer 4

Slows extracellular calcium ion influx across myocardial cell membranes
Slows conduction through the SA and AV node
Slows ventricular conduction rate in A-fib and atrial flutter

Question 5

Indications for verapamil

Answer 5

A-fib with rapid ventricular rate
Atrial flutter with rapid ventricular rate
Supraventricular tachycardia

Question 6

Contraindications for verapamil

Answer 6

Known hypersensitivity
Hypotension
Myocardial infarction
Cardiogenic shock
V-tach
Second and third degree heart block
Wolff-Parkinson-White (WPW) syndrome
Not recommended for pediatric patients

Question 7

Adverse reactions to verapamil

Answer 7

Hypotension
Dysthythmias
Bradycardia
Dizziness
Weakness
Headache
Nausea
Vomiting

Question 8

Routes of administration for verapamil

Answer 8

IV

IO

Question 9

Onset/Peak/Duration for verapamil

Answer 9

O: 2-5 minutes
P: 1-5 minutes
D: 1-6 hours

Question 10

Adult dosages for verapamil

Answer 10

2.5 mg over 2 minutes
May repeat the dose 5-10 mg in 15-30 minutes
Max dose: 30 mg

Question 11

Special considerations for verapamil

Answer 11

Administer the drug over 3 minutes in elderly patients