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osmol, osmolal

See osmole.


, osmole (oz'mol?, os')
The standard unit of osmotic pressure based on a one molal concentration of an ion in a solution. osmolal (oz-mo'lal), adjective

idiogenic osmole



adjectival form of mole, a one osmolal solution contains 1 mole of solute in 1 L of water.

osmolal gap
difference between the measured plasma osmolality and the osmolality calculated from the plasma concentration of normally measured solutes.
References in periodicals archive ?
A 61-year-old man presented with an increased anion-gap metabolic acidosis, an increased serum osmolal gap, and a negative result in an alcohol screen.
The American Academy of Toxicology recommends treatment with ethanol (or fomepizole if available) in the presence of a methanol level >20 mg/dl, a documented history of methanol ingestion with a serum osmolal gap >10 mOsm/l or strong clinical suspicion of methanol poisoning with at least two of the following: arterial pH <7.
Ethylene glycol poisoning with a normal anion gap caused by concurrent ethanol ingestion: Importance of the osmolal gap.
4 Osmolal gap 10 Ethanol alcohol level Negative Acetaminophen level (mcg/mL) -3 Serum ketones (dilution) 1:8 Urine creatinine (mg/100 mL) 36 Urine anion gap (mmol/L) 49.
Laboratory abnormalities include hypoglycemia, increased serum osmolal gap, severe anion gap metabolic acidosis, and anemia.
Osmolal means roughly 'osmotically effective moles of solute per kg of water'.
The serum osmolal gap (75 mOsm/kg) was calculated as follows: Osmolal gap = freezing-point depression osmometer value --(2 X [[Na.
Cerebral depression due to propylene glycol in a patient with chronic epilepsy: The value of the plasma osmolal gap in diagnosis.
AKA can also be associated with other laboratory abnormalities, such as increased serum lactate and an osmolal gap, as well as reduced electrolyte concentrations.
Severe acute VPA toxicity may be characterized by several biochemical abnormalities, including hyperammonemia, hypernatremia, hypocalcemia, an increased osmolal and anion gap, respiratory alkalosis, metabolic acidosis, and increased transaminase activity.
The osmolal gap (OG) [1] is calculated in the emergency department (ED) when ingestion of ethylene glycol, methanol, isopropyl alcohol, acetone, or other osmotically active substances are suspected.