MASSACHUSETTS GENERAL HOSPITAL
Department of Pharmacy
Department of Nursing
Critical Care
Generic Name: |
Calcium |
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Trade Name: |
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Action: |
Electrolyte Replacement |
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Indications: |
HYPOCALCEMIA |
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Administration Guidelines: |
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Usual Dosage Range and Route: |
- Calcium gluconate 1 g = 93 mg or 4.5 meq Ca++ - Calcium chloride 1 g = 273 mg or 13.5 meq Ca++ INITIAL DAILY DOSE : 1 - 2 gm / day TOTAL DAILY DOSE: 10 - 12 gm /day. (Usually ordered by endocrine or thyroid consultants) - Calcium Chloride (Centrally only, not as an IV Drip) - Calcium Gluconate (Centrally OR Peripherally). CALCIUM CHLORIDE MAY BE ADMINISTERED IV PUSH PERIPHERALLY IN EMERGENCY SITUATIONS |
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** INFUSE EACH DOSE OF CALCIUM GLUCONATE OVER 1 TO 2 HOURS ** ** RECHECK CALCIUM LEVEL TWO HOURS POST-INFUSION ** |
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Standard Concentrations: |
Ca Gluconate Central: Peripheral: (Ca Gluconate only) |
Ca Chloride (not as an IV drip) Central: Peripheral: |
EW Standards |
Ca Gluconate Central: 1 G / 10 ml
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Special Considerations: |
- Patients on CVVH may require higher total daily doses - Serum electrolyte levels should be known prior to therapy and monitored during calcium administration. - Patients with hypo or hyper magnesemia may not respond to calcium repletion until magnesium disorder is corrected. - Elevated serum calcium levels with normal digoxin levels can mimic signs and symptoms of digoxin toxicity. - May worsen AV block in patients receiving calcium channel blockers. |
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Precautions and Side Effects: |
- AV block, ventricular arrhythmias - hypotension, bradycardia - change in mental status - elevated bun - muscle flaccidity |
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rev: 04/08