Wholesale Discount Auxiliary Incubation Needle - RAAS Special Blood Collection Tube – Lingen

1) Size: 13*75mm, 13*100mm;

2) Material: Pet/Glass;

3) Volume: 3ml, 5ml;

4) Additive: Edta-k2, 8-Hydroxyquinoline, 2 Thiol Succinic, Sodium;

5) Packaging: 2400Pcs, 1800Pcs/Ctn.

1) Patient preparation: Blockers, vasodilators, diuretics, steroids and licorice affect the level of renin in the body. PRA should be measured 2 weeks after drug withdrawal. Drugs with slow metabolism should be measured 3 weeks after drug withdrawal. Patients who should not stop taking guanidine and other antihypertensive drugs with less impact on PRA. Sodium intake affects the body level, so the patient should appropriately reduce the intake of salt 3 days before the measurement, and it is best to measure the urinary sodium content 24 hours before blood sampling at the same time, so as to provide reference for the analysis results.

2) Specimen collection: Take 5ml of blood from the elbow vein, quickly inject it into the special anticoagulant tube and shake it well.

3) Type and quantity: Collect blood with special anticoagulant tube, separate plasma, and take 2ml for examination.

4) Specimen preservation: It can be stored in a refrigerator at 20 ℃ for 2 months.

5) Attention: Requirements for blood sampling: obtain 3ml special test tube from the center in advance, with a storage period of one week and 4 ℃. Blood drawing in lying position: do not get up on an empty stomach or lie flat for 2 hours in the morning, draw 5 ml of blood, remove the needle, inject 3ml of special test tube and 2ml of heparin anticoagulant tube respectively, shake gently, do not shake violently, and store at 4 ℃ immediately. Standing position blood drawing: keep standing or walking for 2 hours. The blood drawing method is the same, and send it for examination immediately. The results can be affected by the failure to separate plasma in time, repeated freezing and thawing, hemolysis and the use of expired anticoagulant tubes.