blood alcohol concentration


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blood alcohol concentration

n.
The concentration of alcohol in the blood, expressed as the weight of alcohol in a fixed volume of blood and used as a measure of the degree of intoxication in an individual. The concentration depends on body weight, the quantity and rate of alcohol ingestion, and the rates of alcohol absorption and metabolism. Also called blood alcohol level.

blood alcohol concentration

The serum levels of ethanol in a person who has imbibed alcohol. US federal mandate defines 80 mg/dL as legal intoxication; rest of world 17.4 mmol/L.
 
Useful values
> 200 mg/dl, narcosis; > 300 mg/dL, stupor and coma.

blood alcohol concentration

Blood alcohol level Clinical chemistry The serum levels of ethanol in an individual who has imbibed same; U.S. federal mandate has defined 80 mg/dL as legal intoxication

blood alcohol concentration

Abbreviation: BAC
The weight of ethanol in a fixed volume of blood, usually expressed in the U.S. in mg/dl. Concentration depends on quantity, the rate of alcohol ingestion, metabolism, and alcohol absorption rates. BAC is used to measure the degree of a person's intoxication. The alcohol level at which a person is considered legally impaired varies by country and state.
Synonym: blood alcohol level
See also: concentration
References in periodicals archive ?
Widmark [4] developed a model that predicts the blood alcohol concentration after consuming alcohol and that is still much used in forensic research because it works well with real data for a large range of values.
Instead of lowering blood alcohol concentration limits that affect the casual or moderate drinker, we need to focus legislation on the real abusers, on the drunk drivers," says Joe Thomas Jr.
Blood alcohol results can now be reported with a Statement of Certainty(TM)which defines with 99% certainty whether a person's blood alcohol concentration exceeds various legal limits.
By: Fatma Al-Wahaidy CAIRO - 5 September 2017: Although drink/drug driving is considered one of the most threatening and dangerous factors in road safety, Egypt does not apply random breathalyzersfor drivers on the road; and the drink driving law is not defined by the blood alcohol concentration (BAC).
Correction (published July 1, 2014): Oregon law deems commercial drivers to be impaired if they have a blood alcohol concentration of 0.
Among killed ATV drivers, 43% had a blood alcohol concentration of 0.
By comparing the blood alcohol concentration (BAC) with the effects of mobile phone usage, they saw that when the telephone conversation required high cognitive demand or when answering a text message, the BAC test was above legal limits in Spain (0.
According to the Centers for Disease Control and Prevention study, about one-third of all fatal vehicle crashes involve an alcohol-impaired driver, and almost 11,000 deaths in 2009 resulted from crashes in which at least one motorist had a blood alcohol concentration of more than .
Revised blood alcohol concentration levels for all drivers are due to be introduced later this year and I also hope to bring a second piece of legislation forward to introduce further new road safety measures.
At the same time, caffeine has no effect on the metabolism of alcohol by the liver and thus does not reduce blood alcohol concentration or reduce the risk of alcohol-attributable harms.
The police breathalyzer, with a maximum range of 2,000 mcg, was unable to record the man's blood alcohol concentration, which a blood test later found to be approximately 2,290 mcg, reports the New Zealand Press Association.
In 2007, a total of 12,998 persons died in motor-vehicle crashes in which at least one driver had a blood alcohol concentration of >0.