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Magnesium Sulfate
cardiac
| Question | Answer |
|---|---|
| MOA | CNS depressant |
| MOA | reduces the release of Ach by motor nerves to decrease seizure activity |
| MOA | slows HR at the SA node,prolongs AV conduction time=decreased dromotropy |
| MOA | peripheral vasodilation (calcium channel blocking properties |
| MOA | stabalizes cell membrane-decreases the chance for dysrythmia development |
| MOA | neccesary for the Na+ K+ pump to function |
| Indication | Hypomagnesemia |
| Idication | Torsades |
| Indication | Hypokalemia |
| Idication | V-fib/pulseless V-tach associated with Torsades |
| Idication | Severe asthma attack-Phase II status asmatachus |
| Contraindications | Renal disease |
| Contraindications | Shock |
| Contraindication | Heart blocks |
| Contraindication | Hypocalcemia |
| Contraindication | Hypermagnesemia |
| Precautions | May cause CNS depression and hypocalcemia |
| precautions | RIVP may cause hypotension, heart blocks, and or respiratory depression |
| Precautions | Renal impairment may increase chances of toxicity |
| How supplied | 10%,12.5%,50% solution in 40,80,100,and 125mg/ml |
| Dosage for V-fib/Pulseless V-tach | 1-2 gm in 10ml D5w SIVP |
| Dossage for Torsades with a pulse | 1-2 gms in 50-100ml D5w SIVP |