DEFINITION

The thrombocytes are cells produced by the megacariocitos in the bone marrow by means of the process of fragmentation citoplasmática, they circulate along the blood and it has a very important role in the coagulation.

In the wounds the thrombocytes accelerate the coagulation, and also on having agglutinated, obstruct small glasses, and generate substances that contract them.

PROCEDURE OF SECURING

1. To realize this analysis to be on an empty stomach is not needed.
2. It is possible to realize the capture in an appropriate place (consultation, clinic, hospital) but sometimes it is realized in the proper domicile of the patient.
3. To realize the capture it is needed of locating an appropriate vein and in general there are used the veins placed in the flexura of the elbow. The person entrusted to take the sample will use sanitary gloves, a needle (with a syringe or pipe of extraction).
4. It will put a tortor (tape of gum - latex) in the arm so that the veins retain more blood and turn out to be more visible and accessible.
5. It will clean the area of the prick with an antiseptic one and by means of a palpación it will locate the appropriate vein and will gain access to her with the needle. They will release the tortor.
6. When the blood flows for the needle the sanitary one will realize an aspiration (by means of the syringe or by means of the application of a pipe with gap).
7. If several samples are needed for different types of analysis blood will be extracted to him more or less or different gap pipes will be applied.
8. On having finished the capture, it extracts the needle to itself and the area is pressed with a cotton or similar torunda to favor the coagulation and it will indicate him to itself that flexione the arm and the area pressed with a Band-Aid supports for some hours.

1. The securing by means of a prick of the vein can produce certain pain.
2. The possible difficulty in finding the appropriate vein can give place to several pricks.
3. Appearance of a haematoma (bruise or cardinal) in the extraction area, is due usually to the fact that the vein has not closed well after the later pressure and blood has kept on going out producing this problem. Type Hirudoid can apply an ointment to itself ® or Trombocid ® in the area.
4. Inflammation of the vein (phlebitis), sometimes the vein turns out to be shaken, well be for a cause merely physically or why it has become infected. It will have to support the relaxed area a few days and type Hirudoid can apply an ointment to itself ® or Trombocid ® in the area. If the problem persists or appears fever will have to consult it with his doctor.

The alterations in the number of thrombocytes as well as in his size can be a key of the diagnosis. There is a big change in the normal status of the inventory of thrombocytes.

MEANING OF THE ABNORMAL RESULTS

The decrease in the number of thrombocytes (below the minor normal limit) is named trombocitopenia and the increase in the number of the same ones (superior to the highest normal limit) is called trombocitosis.

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