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Verapamil (Isoptin, Calan) Class
Calcium Channel Blocker
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Verapamil (Isoptin, Calan) Actions
- 1. Delays conduction through AV node
- 2. Slows SA- no discharge
- 3. decreases ventricular response rate
- 4. decreases myocardial oxygen demand
- 5. antagonizes calcium effects
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Verapamil (Isoptin, Calan) Indications
- 1. PSVT refractory to adenosine and vagal maneuver
- 2. A-Fib / A-Flutter with rapid ventricular response
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Verapamil (Isoptin, Calan) Contraindications
- 1. cardiogenic shock
- 2. heart failure
- 3. hypotension due to tachycardia
- 4. sick sinus syndrome
- 5. patient on beta-blockers
- 6. AMI
- 7. wide complex tachycardia
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Verapamil (Isoptin, Calan) Precautions
digitalis administration
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Verapamil (Isoptin, Calan) Side Effects
- 1. Nausea / vomitting
- 2. hypotension
- 3. dizziness
- 4. headache
- 5. pulmonary edema due to heart failure
- 6. AV blocks,
- 7. bradycardia
- 8. cardiac arrest
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Verapamil (Isoptin, Calan) Dosage
2.5 - 5.0 mg slow IV push (over 1 to 2 minutes) repeated 20 -30 minutes if PSVT doesn't convert
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Verapamil (Isoptin, Calan) Route
IV
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Verapamil (Isoptin, Calan) How supplied
ampule: 5mg / 2ml
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Verapamil (Isoptin, Calan) Pediatrics
not recommended
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