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cyra
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08/15/05 - 08:09 PM             #1

How do you calcualte Osmolar gap and what is its significance?


prep4usmle
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08/15/05 - 09:07 PM             #2

Osmolar Gap = Serum Osmolarity - Calculated Osmolality

Helps to narrow your differential diagnostic in difficult situations.


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cyra
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08/16/05 - 08:14 AM             #3

Yes!...just a little elaboration...

Osmolar gap normally is 0.It may be elevated when low molecular weight intoxicants such as ethanol,methanol and ethylene glycol are in the circulation.










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