hepatic thromboplastin test

The hepatic prothrombinase test can correctly reflect the changes of plasma factor VII, II, and X activity, especially when hepatocyte injury or liver function is abnormal, VII factor is first reduced, and factor II and X are decreased second. This test is important for the examination of liver diseases. Can not eat before the test, blood test requires fasting, fasting time is generally 8 to 12 hours. Basic Information Specialist classification: Digestive examination classification: liver function test Applicable gender: whether men and women apply fasting: fasting Tips: Do not eat before the test, blood test requires fasting, fasting time is generally 8 to 12 hours. Normal value The normal reference value is 67.2~133.6%. Clinical significance Abnormal results were found to be associated with oral dicoumarol anticoagulants, early acute liver failure, chronic liver damage, and obstructive jaundice, the severity of which was positively correlated with these factors. Need to check patients with abnormal liver function. Low results may be diseases: fulminant liver failure precautions Taboo before inspection: 1. Be careful not to take the drug before the test, because some drugs will increase the burden on the liver, causing temporary damage to the liver function, which will lead to the accuracy of the liver function test results. 2. Pay attention to ensure adequate sleep before exercise, do not exercise vigorously, which may cause elevated transaminase, thus affecting the test results. 3. You must not drink alcohol the day before. Drinking alcohol will cause an increase in transaminase and affect the test results. 4. Accompany the solution before checking. Taboo when checking: 1. Can not eat before the examination, blood test requires fasting, fasting time is generally 8 to 12 hours. 2. The venous blood taken should be fresh and tested immediately. Inspection process 2 ml of venous blood was anticoagulated with 109 mmol/L sodium citrate. Not suitable for the crowd 1. Patients who have taken contraceptives, thyroid hormones, steroid hormones, etc., because the drug will increase the burden on the liver, may affect the results of the examination, and prohibit patients with a history of drug administration in the near future. 2, special diseases: patients with hematopoietic function to reduce disease, such as leukemia, various anemia, myelodysplastic syndrome, etc., unless the examination is essential, try to draw less blood. Adverse reactions and risks 1, subcutaneous hemorrhage: due to pressing time less than 5 minutes or blood draw technology is not enough, etc. can cause subcutaneous bleeding. 2, discomfort: the puncture site may appear pain, swelling, tenderness, subcutaneous ecchymosis visible to the naked eye. 3, dizzy or fainting: in the blood draw, due to emotional overstress, fear, reflex caused by vagus nerve excitement, blood pressure decreased, etc. caused by insufficient blood supply to the brain caused by fainting or dizziness. 4. Risk of infection: If you use an unclean needle, you may be at risk of infection.