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10 Cards in this Set
- Front
- Back
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classification
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electrolyte, antidysrhythmic, anticonvulsant
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action
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Essential for sodium/potassium/ATP pumps.
Decreases acetylcholine in motor nerve terminals. Produces neuromuscular blockade in CNS. Calcium channel blocker. |
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indications
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Refactory ventricular fibrillation.
Polymorphic ventricular tachycardia (Torsades de Pointes). Seizures associated with eclampsia. Bronchospasm. |
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contraindications
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shock, heart blocks, hypersensitivity
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adverse effects
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Cardiovascular: bradycardia, hypotension, heart blocks
Respiratory: depression Neurological: drowsiness Gastrointestinal: nausea/ vomit |
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administration
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Refactory V-Fib/ Torsades de Pointes: 1-2g in 10ml NS, IV/IO given over 1-2 minutes
Seizures: 2-4g IV/IO/IM Bronchospasm: 1-2gm in 50-100ml NS, given over 5 minutes. |
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pediatrics
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Refactory V-Fib/ Torsades de Pointes: 25-50mg/kg IV/IO/IM
Seizures: not used Bronchospasm: not used |
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onset
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3-5 minutes
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duration
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30 minutes
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precautions
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Use with caution in patients with impaired renal function. Administer Magnesium slowly to minimize adverse effects. Use calcium chloride as an antidote if serious side effects occur.
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