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9 Cards in this Set
- Front
- Back
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Class |
Electrolyte. Antidysrhythmic |
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Mech |
Increases magnesium levels correcting for hypomagnesemia associated with cardiac dysrhythmias. Interferes with neuromuscular transmission which reduces muscle contractions during seizures. Smooth muscle relaxer and vasodilator.
Not well understood |
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Indications |
Torsades Cardiac arrest from torsades or if hypomagnesemia is suspected Preeclampsia or eclampsia Refractory to bronchoconstriction. TCA OD in the past |
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Contra |
Hypotension Heart block |
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Prrcautions |
Calcium chloride is antidote if respiratory depression ensues. Caution in renal failure patients |
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Side effects |
Hypotension; respiratory depression; flushing or loss of tendon reflexes |
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Interactions |
May block effects of digitalis |
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Dosage |
Cardiac arrest. 1-2 g IV push Torsades with pulse. 1-2 g IV over 5-60 mins Preeclampsia and eclampsia 2-4 g IV over 5-60 min Bronchoconstriction: 2 g IV over 5-60 mins |
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F |
F |
