IS THE BREATH MACHINE AN ACCURATE READING OF MY BLOOD ALCOHOL LEVEL?
Mr. Taylor (retired) describes how the breath machine measures a person’s blood alcohol level and the many reasons why the measurement is unreliable. The machine is testing a person’s blood alcohol level at the time the person is tested, no earlier and no later. The breath machines are highly unreliable for several different reasons, including the fact that the machine may not be calibrated correctly or it may not be maintained correctly. Also the machine makes the assumption that all people who breathe into the machine are average, which is an obvious misconception. Lastly, there are physiological differences in people that can alter the machine’s reading, meaning that the conditions and problems that people have can result in the machine giving an inaccurate reading. Some of these conditions include when a person has acid reflux, suffers from diabetes or a disease such as periodontal disease. All of these conditions can cause the machine to give a higher reading of blood alcohol than a person really has.
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