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Doctor insights on: How Long Does Alcohol Stay Positive On A Breathalyzer Test

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How does the alcohol in your blood get into your exhaled breath when a cop tests you with a breathalyzer?

How does the alcohol in your blood get into your exhaled breath when a cop tests you with a breathalyzer?

Excreted by lungs: Many substances are excreted by the lungs, and alcohol is one of them. Many other volatile substances, such as ether and other anesthetics, are also excreted in breath. ...Read more

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What is the difference between the alcohol blood test and the breathalyzer?

What is the difference between the alcohol blood test and the breathalyzer?

None: Both are used to detect the amount of alcohol circulating in your body. The only difference is a breathalyzer does not require a blood sample and is a lot faster. ...Read more

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Does cirrhosis effect the outcome of a breathalyzer test after consuming alcohol?

Does cirrhosis effect the outcome of a breathalyzer test after consuming alcohol?

Blood alcohol: Cirrhosis should not change this value, although it may alter the duration or persistence of alcohol in the blood. ...Read more

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Im male 170 lb. 5'9. How many hours do I wait to blow a zero on a breathalyzer test after drinking 8% alcohol beer...2large ones?

Im male 170 lb. 5'9. How many hours do I wait to blow a zero on a breathalyzer test after drinking 8% alcohol beer...2large ones?

The average person: metabolizes 1 standard drink per hour. It the drink is larger or stronger than usual more time would be required. You mat want to allow at least 4 hours to get to 0. ...Read more

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Is it possible for alcohol to be detected through a breathalyzer after 29 hours?

Is it possible for alcohol to be detected through a breathalyzer after 29 hours?

Possibly but only: If a person was virtually alcohol poisoned, and had a lousy liver in addition. Alcohol is metabolized at levels of about 10 mg/% per hour, so a very drunk naive drinker might be at 250 mg% when they pass out, it could take 25+ hours to metabolize it all. However, naive drinkers usually pass out below 200 mg%, and experienced drinkers metabolize alcohol faster, so it's an unlikely event. ...Read more