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What are the methods of using tourniquet skills?
Data: 2022-03-30
The purpose of applying pressure tourniquet during venous blood collection is to increase the local filling of the vein, which is conducive to puncture and improves the success rate of one-time puncture. Then usetourniquetWhat are the methods and skills?
The correct operation of the tourniquet is: first tie tighttourniquetObserve the direction of blood vessels and loosen them in time.tourniquet, and then sterilize, and then tie the tourniquet before puncture, and immediately collect blood, which is very important for detecting the specimen of coagulation items, and strive to complete it within 1 minute. The pressing time of the tourniquet should not be too long or too tight. If used for a long timetourniquet, blood reflux is blocked, blood vessels expand, so that blood pressure increases, blood vessel blood flow decreases, resulting in fluid loss. Therefore, if the tourniquet is not pressed for too long, water will be transferred from the blood vessels to the tissue, but macromolecular substances and large particles (cells) can not be filtered, and the blood will be concentrated. It can also promote fibrinolysis or accelerate platelet activation to increase the activity of fibrin. Therefore, the use time of the pulse band should be less than 1 minute, and it is appropriate to loosen the pulse band after the needle enters the blood vessel. When the pulse zone is pressed for more than 1 minute, the local blood oxygen content decreases, lactic acid increases, and the pH value decreases. If you press 3 minutes, bilirubin, cholesterol, AST, ALP, etc. It can be increased by more than 5%.
Therefore, we should try to control the venous bloodtourniquetThis can not only improve the success rate of a puncture, but also reduce unnecessary pain of patients and make the test results more accurate.
tourniquetNote in the application:
1. Do a good job of nursing safety assessment, such as patients who can not speak, the elderly with slow response, the unconscious, sedatives and other special groups, are high-risk groups of nursing safety management. in applying pressure tourniquet to these patients, we should be particularly vigilant and take care of them.
2. UsetourniquetWhen performing intravenous infusion puncture, the puncture site should be fully exposed to avoid clothing or other itemstourniquetso as not to forgettourniquetAnd in patients.
3. After each operation, carefully count the pressuretourniquetThe number of, do the final processing.
4. Comply with hospital infection management regulations and avoid hospital infection: one person for one use, one disinfection or one-time tourniquet.
5. During the infusion process, strengthen inspections and closely observe the patient's infusion situation (such as whether the infusion site is swollen, whether the needle is out/blocked/extravasated, etc.), Observe the patient's response.
6. Listen to the patient's complaint and observe the patient's reaction. In case the child cries, carefully find out the cause of the crying and investigate the hidden dangers.
7. Pay attention to the interruption in the process of nursing operation, do a good job in handover and avoid errors.
8. To fulfill the obligation of informing and assisting patients and their families. For example, when giving intravenous infusion to the patient, help the patient to set the position, and be careful not to expose the injected limb in winter to avoid catching cold.
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