Can check blood detect tuberculosis

Blood tests generally do not detect TB, but they can be used as an auxiliary diagnostic method. Blood tests generally do not detect TB, but blood tests can be used as an auxiliary diagnostic method for TB. Diagnosis of TB requires a combination of clinical symptoms, chest imaging, TB bacteria, etc. The following are some blood tests that may be associated with TB diagnosis: 1. Blood routine: white blood cells, red blood cells, platelets and other indicators can be understood to determine whether there is anemia, infection and other conditions.2. Erythrocyte sedimentation rate: accelerated erythrocyte sedimentation rate may indicate inflammation or tuberculosis activity, but the specificity is not high.3. C-reactive protein: elevated C-reactive protein indicates inflammation in the body, but it cannot be diagnosed as tuberculosis.4. Tuberculosis antibody test: Positive results help diagnose tuberculosis, but false positives may also occur. 5. tuberculin test: PPD test, used to detect tuberculosis infection, but can not distinguish whether it is a current infection. 6. other tests: such as gamma-interferon release test, etc., to diagnose tuberculosis has some help, but it is not the gold standard for diagnosis. In addition to blood tests, doctors may choose other tests based on the patient's specific conditions, such as chest X-ray or CT examination, TB smear and culture, pathological examination, etc. In addition, doctors may ask for detailed medical history and physical examination to comprehensively determine whether tuberculosis is present. If tuberculosis is suspected, doctors should seek medical advice promptly, and doctors will arrange appropriate tests and diagnoses according to the specific circumstances. After the diagnosis of tuberculosis, should be in accordance with the doctor's recommendations for standardized treatment, in order to promote the recovery of the disease. It should be noted that blood tests in the diagnosis of tuberculosis role is limited, can not rely on blood to diagnose tuberculosis alone. If there are tuberculosis-related symptoms or high-risk factors, should seek medical attention in time, in order to early detection, early diagnosis, early treatment. In addition, for some special groups, such as immunocompromised persons, children, etc., diagnosis may be more difficult, requiring a combination of multiple examination methods and doctors' experience to judge.