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| =Potassium=
| | #REDIRECT[[Electrolyte abnormalities]] |
| *Usual dose is 40meq IV or PO unless level is <2.5. If so, both forms should be given
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| *10meq will raise serum level by 0.1
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| *Intravenous K+ typically runs at 10meq/hour, burns when infused, and may cause phelbitis/sclerosis if run faster
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| *Oral K+ more quickly absorbed and preferred
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| *KCl elixir easily swallowed, but tastes terrible, KDur oral tablet is large and hard to swallow
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| *Serum K+ will not respond if patient has concurrent hypomagnesmia
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| =Magnesium=
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| *Replete if serum level <1.7
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| *Usual dose is 2g over 1 hour
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| *If level <than 1.2, double the dose
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| *Oral repletion may done if level is >1.2 and pt is asymptomatic
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| *Magnesium oxide 400mg is approximately equal to 2g of MgSO4
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| =Phosphorus=
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| *If <2.4:
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| **Neutra-Phos 2 packets PO Q6hr x 48hr OR sodium phosphate 30mmol IV
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| *If <1:
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| **IV Sodium Phosphate 45mmol should be used
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| [[Category:FEN]] | |
