Verapamil

Question 1

Verapamil- Name

Answer 1

Isoptin

Calan

Verelan

Question 2

Verapamil- Class

Answer 2

Calcium Channel Blocker

Antihypertensive

Antidysrhythmic

Question 3

Verapamil- MoA

Answer 3

Inhibits calcium influx across cell membranes

Relaxes smooth muscles in vascular wall, decreasing peripheral vascular resistance

Decreases SA and AV node conduction

Question 4

Verapamil- Indication

Answer 4

SVT/PSVT refractory to Adenosine

AFIB/AFLU

Hypertension

Angina

Question 5

Verapamil- Contra

Answer 5

Severe CHF

Sick Sinus Syndrome

2nd and 3rd degree Heart Blocks

Blood Pressure less than 90 mmHg systolic

Question 6

Verapamil- S/E

Answer 6

Cardiovascular: bradycardia, hypotension, AV block, rebound tachycardia

Neurological: dizziness

Question 7

Verapamil- Routes

Answer 7

IV, IO

Question 8

Verapamil- A. Dose

Answer 8

2.5 – 5.0 mg IV/IO

with a 2nd dose of 5.0 – 10.0 mg IV/IO in 15-30 minutes

to a maximum dose of 30.0 mg

Question 9

Verapamil- P. Dose

Answer 9

Infant:

0.1 – 0.2 mg/kg

with a maximum dose of 2.0 mg

Children: 0.1 – 0.3 mg/kg

with a maximum dose of 5.0 mg

Question 10

Verapamil- EXTRAS

Answer 10

Precautions:

Hepatic and Renal disease

Pregnancy

Wolff-Parkinson-White Syndrome

Hypotension

Interactions: Ensure patient is not taking Beta Blockers as a home medication

Onset in 3 minutes and may last 10-20 minutes