Diltiazem (Cardizem)

Question 1

Diltiazem classification

Answer 1

Calcium channel blocker

Question 2

Diltiazem action

Answer 2

Negative dromotropic affect

Question 3

Diltiazem onset and duration of action

Answer 3

1. 3 minutes

2. 1 to 3 hours

Question 4

Diltiazem indications

Answer 4

1. SYMPTOMATIC A-FIB/A-FLUTTER

2. PSVT

Question 5

Diltiazem contraindication

Answer 5

1. Sick sinus syndrome
2. 2nd and 3rd degree heart block
3. A-FIB WITH WPW OR SHORT PR SYNDROME
4. HYPOTENSION <90 SYSTOLIC
5. Cardiogenic shock
6. wide complex tachycardia
7. AVOID USE IN PATIENTS ON ORAL BETA BLOCKERS

Question 6

Diltiazem cautions

Answer 6

1. Can cause hypotension

2. Impaired renal or hepatic function

Question 7

Diltiazem dosage and administration

Answer 7

Adult:
INITIAL DOSE - 15 TO 20 MG IV OVER 2 MINUTES. SECOND DOSE AFTER 15 MINUTES, IF NEEDED 20 TO 25 MG IV OVER TWO MINUTES
Pediatric:
Contact Mary Bridge

Question 8

Diltiazem adverse reaction

Answer 8

Bradycardia, chest pain, syncope, ventricular arrhythmia, V-fib, sweating, dizziness, dry mouth, headache

Question 9

Diltiazem reference in protocol

Answer 9

Cardiac