Diltazem

Question 1

What is another name for Diltazem?

Answer 1

Cardizem

Question 2

What is the class of Diltazem?

Answer 2

Calcium channel blocker (Class IV antiarrhythmic)

Question 3

What is the action of Diltazem?

Answer 3

Vascular dilation slows rapid ventricular rate associated with A-fib/A-flutter. Has a negative inotropic effect. Can be used for angina

Question 4

What are the indications for Diltazem? (2)

Answer 4

1. Stable narrow complex tach if uncontrolled or unconverted by adenosine or vagal maneuvers or in PSVT
2. To control ventricular rates in patients w/ A-fib/A-flutter

Question 5

What are the contraindications for Diltazem? (6)

Answer 5

1. Hypotension
2. CHF
3. Cardiogenic shock
4. V-tach
5. Wide complex tach
6. A-fib/A-flutter with WPW

Question 6

What is the onset for Diltazem?

Answer 6

3 min

Question 7

What is the duration of Diltazem?

Answer 7

1-3 hours

Question 8

What is the peak of Diltazem?

Answer 8

7 minutes

Question 9

What is the 1/2 life of Diltazem?

Answer 9

2 hours

Question 10

What is the dose of Diltazem?

Answer 10

Narrow-complex tach 15-20 mg IV bolus (.25mg/kg) over 2 minutes. An additional bolus dose of 20-25mg (.35mg/kg) over 15 minutes
PRN maintenance drip of 5-15 mg/kg can be administered, titrate to HR

Question 11

What are the side effects of Diltazem? (6)

Answer 11

1. N/V
2. Dizziness
3. headache
4. bradycardia
5. heart blocks
6. asystole

Question 12

What is the description of Diltazem?

Answer 12

Calcium-ion antagonist causes a relaxation of vascular smooth muscle and slows electrical conduction through the AV node

Question 13

What is a precaution with Diltazem?

Answer 13

Can cause systemic hypotension. Monitor BP. can use calcium chloride to prevent hypotension effects of calcium channel blockers or calcium channel blockers OD