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9 Cards in this Set
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Magnesium sulfate
Class |
Electrolyte Anticonvulsant
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Magnesium sulfate
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Pulseless V-Tach (Torsades de Pointes): slow IV Push over 6 to 10 minutes
V-Tach (Torsades de pointes) with a pulse: IVPB drip over 6 to 10 minutes. Refractory bronchospasm: IVPB drip over 6 to 10 minutes. |
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Magnesium sulfate
Dose |
Adult: CPR (pulseless Torsades de pointes): 2 Grams of a 10 percent solution infused IV push over 6 to 10 minutes.
V-Tach (Torsades de pointes with a pulse) 2 grams in 250 mL NS infused IVPB over 6 to 10 minutes. Refractory bronchospasm: 2 grams in 250 mL NS infused IVPB over 6 to 10 minutes. Pediatric dose: Not used in prehospital setting. |
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Magnesium sulfate
Drug Action: |
Reverses magnesium deficiency
Physiologic calcium channel blocker - relaxes smooth muscle Central nervous system depressant. |
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Magnesium sulfate
Indications: |
Refractory V-Vib and V-Tach due to magnesium deficiency (alcoholics, malnutrition, anorexia, prolonged diarrhea, etc).
Refractory bronchospasm in asthma V-Tach that presents as Torsades de pointes configuration Seizures secondary to eclampsia |
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Magnesium sulfate
Precautions: |
Inform BioTel when magnesium deficiency is suspected.
Continually monitor blood pressure, respirations, ECG, LOC, and muscle strength. Inform Biotel when patients are on Digitalis preparations. If only available in a 50 percent solution, DILUTE 2 grams (4mL) of a 50 percent solution with 16 mL of NS - 10 percent solution. |
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Magnesium sulfate
Side Effects: |
When given overdose or too rapidly, its physiologic calciumchannel blocking properties interfere with calcium uptake into muscle roups. The following dangerous side effects may then occur:
Muscle weakness/paralysis, Respiratory depression, CNS depression, Hypotension, shock, Bradycardia. |
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Magnesium sulfate
Contraindications: |
Shock or systolic BP less than 110 mmHg
Respiratory Depression Heart block Chronic renal disease/dialysis |
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Magnesium sulfate
Antidote |
Calcium Chloride
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