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Exams and Tests

The doctor will take a history and perform a physical examination to look for evidence of poisoning. The doctor will order laboratory tests to look for damage to organ systems that can be harmed by aspirin overdose and, depending on the timing, also to check for the level of aspirin in the bloodstream.

• The initial assessment of all poison victims follows the principles of basic and advanced cardiac life support. The doctor will make sure you are able to breathe and will check vital signs including body temperature. The doctor will check alertness by asking you to respond to questions. If you are unconscious, the doctor will give oxygen and perhaps use machines to help you breathe.

• Blood will be taken for lab testing. One blood test will measure the amount of salicylate, the active ingredient in aspirin, in your blood. Sometimes the blood level of salicylate can increase over time even though an individual has not taken any more aspirin. This may indicate the person has taken coated tablets or sustained-release tablets, which release salicylate into the bloodstream slowly.

• The doctor will make treatment decisions based on the dose of active ingredient ingested, the time over which it was ingested, your age, the symptoms you are experiencing, and your acid-base status. Acid-base status is the balance of acid and base in the blood. Aspirin may change this balance quickly, so the doctor will monitor this to guide treatment.