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 Osmolar Gap  

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


Osmolar Gap = Serum Osmolarity - Calculated Osmolality

Helps to narrow your differential diagnostic in difficult situations.


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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