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| =Potassium=
| | #REDIRECT[[Electrolyte abnormalities]] |
| *Usual dose is 40meq IV or PO unless the level is <2.5, then both should be used.
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| *10meq will raise the 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 Potassium 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 if less than 1.7
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| *Usual dose is 2g over 1 hour
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| *If level is less than 1.2, double the dose
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| *Oral repletion may done if level is above 1.2 and the patient 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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| *Replete if level is less than 2.4
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| *Oral: Neutra-Phos 2 packets PO Q6 hours x 48 hours
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| *IV: 30mmol Sodium Phosphate.
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| *If level is less than 1.0, 45mmol IV Sodium Phosphate should be used.
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