What CO Level is Dangerous to Your Health?
Anytime you suspect symptoms to be associated with exposure to carbon monoxide, you should seek medical attention. A blood test can be taken to measure the percentage of carboxyhemoglobin in the blood, however this percentage does not always correlate directly with the severity of the condition or with a prognosis for recovery.
Treatment may be instituted based on the suspicion that carbon monoxide poisoning is present to some degree. However, such modalities as hyperbaric oxygen therapy may be indicated when the person is unconscious, is exhibiting neurologic symptoms, has certain changes in the EKG or a carboxyhemoglobin level higher than 25 to 40 percent.