carboxyhemoglobin test

The carboxyhemoglobin test measures the level of carbon monoxide (CO) in the blood. When someone inhales carbon monoxide, it binds with hemoglobin— the protein in red blood cells responsible for carrying oxygen—forming carboxyhemoglobin. This reduces the blood’s ability to transport oxygen, which can lead to symptoms like headache, dizziness, and in severe cases, death. The test is typically conducted using a blood sample or a non-invasive device, helping doctors assess exposure to carbon monoxide, diagnose poisoning, and determine the appropriate treatment. It’s crucial for identifying cases of CO exposure, especially in enclosed spaces.