Venous blood collection test tube sequence

In daily life, we all have the experience of blood drawing. Sometimes it is because of illness that blood needs to be tested, and sometimes it is blood drawing for blood donation. No matter what the situation is, blood drawing is done in a certain order in the vein. As blood drawers, we often don’t know this order, and we don’t know what matters need to be paid attention to after blood drawing. In fact, it is good to understand it.

1. Blood collection sequence

Blood culture bottles (anaerobic preferred)

No additive tube (red, golden tube)

Coagulation test tube (blue)

Other anticoagulant tubes (black-green-purple-gray)

2. Syringe blood collection sequence

In order to prevent the blood from staying in the syringe for too long and causing micro-agglutination of the blood, the blood collection sequence is slightly changed as follows:

Blood culture bottles (anaerobic preferred)

Coagulation test tube (blue)

Other anticoagulant tubes (black-green-purple-gray)

No additive tube (red, golden tube)

3. What should I pay attention to?

A After injecting the blood, be sure to shake it well and use moderate force to prevent hemolysis.

B The amount of blood injected must strictly follow the capacity marked on the test tube.

C. Do not pour blood from tubes of different colors into tubes of other colors, otherwise it will lead to erroneous results.

D The needle must not touch the wall of the test tube to avoid contact with the anticoagulant and cause erroneous results.

What to eat after blood collection

1. Dried radish

The efficacy and nutritional value of radish are very high. Dried radish is a beneficial vegetable. It is extremely rich in vitamin B and has a high iron content. So it is inconspicuous and cheap, but it is a very good health-preserving food. Its iron content exceeds that of all foods except day lily.

2. Black beans

In ancient my country, people have always believed that eating beans is beneficial. Most books say that black beans can make people's hair darker. In fact, black beans can also produce blood. How to eat black beans depends on personal preference. If it is postpartum, it is recommended to cook black-bone chicken with black beans.

3. Spinach

Spinach is a well-known blood-enriching food. Spinach is rich in iron and carotene, so spinach can be considered an important blood-enriching vegetable. If you don’t like carrots, eat more vegetables.

4. Longan meat

It has the effects of replenishing qi and blood, improving intelligence and calming the mind, soothing the nerves and stabilizing the fetus. It can be used for insomnia, forgetfulness, palpitations, dizziness, blood deficiency and sallow complexion, spontaneous sweating and night sweats caused by deficiency of the heart and spleen and insufficient qi and blood.

5. Pork liver

It has the effects of nourishing the liver, improving eyesight and nourishing blood. It is suitable for people with weak qi and blood, sallow complexion, palpitations and dizziness.

6. Duck blood

Sweet, neutral; enters the heart and large intestine meridians. Children, pregnant women and breastfeeding women can prevent and treat anemia by eating more dishes containing animal blood. Flammulina velutipes: It can nourish blood and calm the liver, promote diuresis and reduce swelling, and treat dizziness, tinnitus, palpitations, low back pain, vomiting blood, epistaxis, bloody stools, insufficient milk secretion, swollen and painful joints, etc. Enoki mushroom is one of the vegetables with high iron content and also contains a large amount of vitamins, which can be used to correct anemia.