Alcohols

Chapter: Alcohols
McMaster Section Editor(s): Dan Perri
Section Editor(s) in Interna Szczeklika: Dorota Klimaszyk
McMaster Author(s): Dan Perri
Additional Information

Formulas and conversion tables used in the chapters discussing alcohols.

FormulasTop

Anion gap = Serum sodium (mEq/L) – [serum chloride (mEq/L) + serum bicarbonate (mEq/L)]

Note: mEq/L = mmol/L; an anion gap ≥12 is considered high (note normal values in your laboratory).

Osmolar gap = Measured osmolality (mOsm/L) – calculated osmolarity

Note: An osmolar gap >10 mOsm/L is considered high.

Calculated osmolarity (mOsm/L) = 2 × [sodium (mmol/L)] + [glucose (mmol/L)] + [urea (mmol/L)] + 1.25 × [ethanol (mmol/L)]

TablesTop

Table 15.2-1. Unit conversion table for alcohols
Alcohol measured (multiply mg/dL by CF to calculate SI units) Conventional unit (US) Conversion factor (CF) SI unit (Canada)

Ethanol (ethyl alcohol)

mg/dL

0.217

mmol/L

Methanol (methyl alcohol)

mg/dL

0.312

mmol/L

Ethylene glycol

mg/dL

0.161

mmol/L

Isopropanol (isopropyl alcohol)

mg/dL

0.166

mmol/L

 

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