diltiazem_hcl.txt

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Author:
papeirce
ID:
77032
Filename:
diltiazem_hcl.txt
Updated:
2011-04-03 16:39:52
Tags:
paramedic medications drugs prehospital diltiazem cardizem
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Description:
Prehospital Medication Flashcards for Paramedic School - Massachusetts and Rhode Island
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  1. Diltiazem HCL

    Trade Name
    Cardizem
  2. Diltiazem HCL

    Class
    Calcium channel blocker
  3. Diltiazem HCL

    Mechanism of Action
    • Block influx of calcium ions into cardiac muscle:
    • Prevents spasm of coronary arteries
    • Arterial and venous vasodilator
    • Reduces preload and afterload
    • Reduces myocardial oxygen demand
  4. Diltiazem HCL

    Indications
    • Control of rapid ventricular rates
    • Atrial Flutter
    • Atrial Fibrillation
    • SVT
  5. Diltiazem HCL

    Contraindications
    • Hypotension
    • Sick sinus syndrome
    • Second or Third degree Heart Block
    • Cardiogenic shock
    • Wide-complex Tachycardias
  6. Diltiazem HCL

    Adverse Reactions
    • Bradycardia
    • Second or Third Degree Heart Blocks
    • Chest pain
    • CHF
    • Syncope
    • V-Fib
    • V-tach
    • Nausea/Vomiting
    • Dizziness
    • Dry mouth
    • Dyspnea
    • Headache
  7. Diltiazem HCL

    Drug Interactions
    • Caution in patients using medications that affect cardiac contractility
    • In general, should not be used in patients on Beta-blockers
  8. Diltiazem HCL

    How Supplied
    • 25 mg/5 ml vial
    • 50 mg/10 ml vial
  9. Diltiazem HCL

    Dosage and Administration
    Adult
    • Initial bolus: 0.25 mg/kg (average dose 20 mg) IVP over two (2) minutes.
    • If inadequate response, may re-bolus in 15 minutes: 0.35 mg/kg IV over two (2) minutes.
    • Maintenance infusion of 5-15 mg/hour
  10. Diltiazem HCL

    Dosage and Administration
    Pediatric
    Not recommended
  11. Diltiazem HCL

    Duration of Action
    • Onset: 2-5 minutes
    • Peak effect: Variable
    • Duration: 1-3 hours
  12. Diltiazem HCL

    Special Considerations
    • Pregnancy safety: Category C
    • Use in caution in patients with renal or hepatic
    • dysfunction
    • PVCs may be noted at time of conversion of SVT
    • Standard EMS dose may exceed standard ED dose
    • ONLY GOOD FOR 30 DAYS NON-REFRIGERATED

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