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What is blood-alcohol concentration?

In our previous blog post, we discussed how DUI charges demand a strong defense. One of the hallmarks of a DUI case is the blood-alcohol concentration of the defendant at the time he or she is accused of driving drunk. The BAC is one aspect of the case that is often subject to debate because of the number of factors that can affect the results of the test. Understanding some basic points about BAC can often help defendants as they and their attorneys fight a DUI charge.

How does alcohol react in the body?

Alcohol registers in your blood almost immediately after the first drink. The amount of alcohol peaks in your blood about an hour after the drink is consumed. If you have food in your stomach, it can take longer than an hour for that peak to occur. Other factors, such as medications that are taken, can affect the amount of alcohol in your blood.

What are the types of factors that can affect BAC?

If a blood test is done to determine your BAC, it can be altered if the area is cleaned using rubbing alcohol. This is a consideration that you must think about if you are contesting the accuracy of the test. Cough syrups that contain alcohol, herbal supplements like ginseng and kava and certain medical conditions like diabetic ketoacidosis can all make a blood test inaccurate.

In some DUI cases, the accuracy of the BAC test is very important. If you think that the BAC test in your case isn't accurate, your attorney can work to prove that and present it as part of your defense.

Source: WebMD, "Blood Alcohol," accessed Sep. 12, 2015

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