Meat producers have fed growth-promoting antibiotics to food animals for years. Recently, scientists have raised concerns that, in conjunction with the general overuse of antibiotics in humans, this use of sub-therapeutic levels of antibiotics in food animals may lead to serious health risks for people.
Though the pulse oximeter actually measures the saturation of oxygen in your blood, the results are often used as an estimate of blood oxygen levels. Normal pulse oximeter readings range from 95 to 100 percent, under most circumstances. Values under 90 percent are considered low.
The best place to get the answer to this question is in your doctor's office. Your pulse oximetry normal values are dependent on your health condition, respiratory rate, percentage of oxygen in the air, activities you are performing, and other factors. Here are some general guidelines to understand oximeter readings.