OTHER NAMES

• I shoe in blood,
• Anemia study.

DEFINITION

The iron is used by the organism principally like part of the hemoglobin that is the protein transportadora of oxygen to the textiles. For it 70 % of the iron of the organism finds in this protein 30 5 remaining he is deposited in the shape of ferritina and of hemosiderina for his possible use. The iron is received by the transferrina to depart from his ingestion in the diet.

The determination of the iron sérico will indicate us the quantity of iron joined the transferrina.

:PARA WHAT IS REALIZED?

It is used to evaluate the presence of an anemia, principally the ferropénica or microcítica.

The absence of iron in the organism can owe to the absence of his consumption in the diet, the alteration in his intestinal absorption, I increase in his consumption (children in growth, pregnant women), or for an increase of losses (hemorrhages, menstruation, secret gastrointestinal losses, etc...)

If it is missing the iron in the organism diminishes the hemoglobin formation and by it the red globules turn out to be small, pale, that is defines an anemia microcítica or hypochromes. In this case it appears under the iron level in blood, the CTCH (capacity of reception of the iron and transferrina) will be raised and the transferrina saturation will turn out to be low.

The iron excess can appear in the shape of hemocromatosis or hemosiderosis, with deposit excess in different organs (brain, liver, heart) causing secondary illnesses.

PROCEDURE OF SECURING

To realize this analysis to be on an empty stomach is not needed.

The iron can turn out to be high sérico if food and medicines are taking with iron excess, in illnesses hemolíticas,

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.

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).
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.
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.
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).

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.

The abstracted blood moves to the analysis laboratory in a special pipe for biochemistry, which contains an anticoagulant product. In general more than 10 milliliters of blood are not usually necessary for a standard battery of biochemical parameters.

PROBLEMS AND POSSIBLE RISKS

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.

In these values there can be certain differences for the skill or for proper criteria of normality of concrete laboratories, sometimes in the status of values and other times for the units to which one alludes. Sometimes the units offer themselves in µmol/l ó units IF.

EVALUATION OF ABNORMAL RESULTS

The developing Iron levels can indicate:

• Anemia ferropénica
• Loss of chronic blood
• Diets without iron
• Undernourishment
• Pregnancy
• Cancer
• Hematuria
• Chronic Hipermenorrea

TO SEE ALSO

• Anemias
• Ferritina
• Red globules. Eritrocitos
• Hematimetría
• Hematocrito
• Hemoglobin
• Thrombocytes
• Transferrina

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