What kinds of evacuated blood collection vessels include?

Which is the first and which is the second in the sequence of vacuum blood collection?

Classification of blood samples and order of collection:

Blood samples are divided into: 1. whole blood samples, 2. serum samples, 3. blood culture samples;

If different kinds of blood samples are prepared at the same time, they should be injected into the blood culture bottle first, then into the anticoagulant bottle, and finally into the dry test tube. The action should be rapid and accurate.

Collection sequence of aerobic and anaerobic blood culture bottles:

If straight needle vacuum blood collection is adopted, the aerobic bottle shall be the first bottle;

If the butterfly needle is used for collection, the oxygen demand bottle should also be the first bottle (reason: at this time, the air in the connecting pipe of the butterfly needle is introduced into the oxygen demand bottle)

If the syringe is used for collection, the anaerobic bottle should be the first bottle (reason: when the blood in the syringe is injected into the blood culture bottle, the air bubble will rise due to light air, at this time, there is a high possibility of gas in the blood on the upper part of the syringe, so it should be avoided to introduce oxygen into the anaerobic bottle).

1. Can't drink water before drawing blood?

There is no need to deliberately prohibit water for blood drawing. You can drink a small amount of water in the morning of the day of blood drawing and the night before. When you are thirsty, you can drink several mouthfuls of water (50~100ml) each time. As long as you don't pour water vigorously, you can drink several hundred ml at a time. After all, the water is drunk and can be discharged through urination.

2. Draw blood and lose blood?

When drawing blood, some women will ask the medical staff whether it is necessary to "replenish blood" because of the large amount of menstruation and pale face? The expert explained that, in fact, although it seems that blood is drawn in several tubes, each tube is only 3~5ml, and the general physical examination adds up to less than 20ml. The average normal human body has 4000ml of blood, and it will regenerate automatically. You don't need to take any special food to replenish it, and it will recover quickly.

1. Fasting after 8 p.m

Fasting after 8:00 p.m. the day before blood drawing: Avoid drinking heavily, and the alcohol content in the blood will directly lead to the increase or decrease of the results; Before blood lipid test, it is better not to eat food with high fat content, such as instant boiled pot, braised pork, etc; Before checking cholesterol, you should eat less eggs, which will affect the composition of blood and cause "miscalculation".

2. No strenuous exercise in the morning

Get enough sleep at night before blood drawing, and do not take strenuous exercise in the morning. Because strenuous exercise can make alanine aminotransferase (ALT), aspartate aminotransferase (AST), etc. temporarily increase, and can also cause changes in potassium, sodium, blood sugar and other components in the blood, affecting the determination results.

3. Tiredness will affect the results

Before blood drawing, it is not advisable to be too tired or severely stimulated by cold or heat, which may cause leukocytosis.

4. Don't wear thick clothes

On the day of bleeding, do not wear clothes with too tight or too small cuffs, otherwise, the cuffs will not roll up when bleeding, or it will be difficult to stop bleeding after bleeding, causing arm hematoma. At present, people wear more clothes. It's better to take off their coats and thick sweaters before taking blood.

5. Fear makes blood collection difficult

Bleeding should also relax, because fear will cause the contraction of blood vessels, increasing the difficulty of blood collection.

6. Blood sick, ready to eat candy

Those with a history of blood sickness had better inform the blood drawing nurse in advance, and take some candy and chocolate with them when drawing blood. In case of dizziness symptoms such as dizziness, dizziness, fatigue, etc. after blood drawing, you can drink a small amount of sugar water or eat candy. If conditions permit, you can lie flat immediately. After the symptoms are relieved, you can have other examinations.

7. Don't rub the "wound" after drawing blood

After drawing blood, immediately release the fist, and locally press the needle hole for 3 to 5 minutes. At the same time, loosen the sleeve rolled up to help stop bleeding. Do not rub the puncture site to avoid local congestion, and do not touch the puncture site to avoid infection. It is worth noting that different human bodies have different qualities. Middle aged and elderly people or those with bleeding tendency should extend the pressing time. Although sometimes the skin surface looks like no bleeding, in fact, the blood may seep into the skin to cause bruising due to incomplete hemostasis.

8. The congestion can be wet applied with hot towel

If congestion occurs locally, wet compress with warm towel 24 hours after blood drawing to promote local blood circulation and promote the dissipation of congestion. Generally, subcutaneous congestion will be slowly absorbed by the body, which takes about two weeks.