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For example, in the 1930s Widmark measured alcohol and blood by mass, and thus reported his concentrations in units of g/kg or mg/g, weight alcohol per weight blood. Blood is denser than water and 1 mL of blood has a mass of approximately 1.055 grams, thus a mass-volume BAC of 1 g/L corresponds to a mass-mass BAC of 0.948 mg/g.
In the article there is a section that suggests the BAC can be calculated directly as a percentage of body water, i.e alcohol consumed divided by body water content. For example 40 ml of alcohol weighs approximately 32 grams, and for a man of 70 kg with body water content of 58% the BAC calculation is: (100 x 32/40600) or 0.079% w/w.
Earlier studies found mean elimination rates of 15 mg/dL per hour for men and 18 mg/dL per hour for women, [6] [4] but Jones found 0.148 g/L/h and 0.156 g/L/h respectively. Although the difference between sexes is statistically significant, it is small compared to the overall uncertainty, so Jones recommends using the value 0.15 for the mean ...
The osmol gap is typically calculated with the following formula (all values in mmol/L): = = ([+] + [] + []) In non-SI laboratory units: Calculated osmolality = 2 x [Na mmol/L] + [glucose mg/dL] / 18 + [BUN mg/dL] / 2.8 + [ethanol/3.7] [3] (note: the values 18 and 2.8 convert mg/dL into mmol/L; the molecular weight of ethanol is 46, but empiric data shows that it does not act as an ideal ...
At relatively low alc/vol, the alcohol percentage by weight is about 4/5 of the alc/vol (e.g., 3.2% ABW is about 4% alc/vol). [25] However, because of the miscibility of alcohol and water, the conversion factor is not constant but rather depends upon the concentration of alcohol. [citation needed]
5. Alcohol Disrupts Your Sleep. Yes, it can feel like a nightcap helps you drift off. But alcohol can disrupt your sleep quite a bit. It can trigger insomnia, obstructive sleep apnea, short sleep ...
Alcohol affects males and females differently because of difference in body fat percentage and water content. On average, for equal body weight, women have a higher body fat percentage than men. Since alcohol is absorbed into body water content, and men have more water in their bodies than women, for women there will be a higher blood alcohol ...
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