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How do you take blood from a vein for analysis in an infant?


One of the most informative methods of research is the analysis of blood from a vein.This basic biological fluid has the property to change its qualitative composition in very many pathologies;Even minor dysfunction manifests itself almost instantly.It is carried out to the newborn on the first day after birth.Subsequently, the procedure is repeated at a monthly age, and then every 3 months( up to a year).If there are certain indications, then the analysis is carried out additionally outside the plan.

Contents: Why take blood from a vein in an infant?How do you take blood from a vein from a baby?Tips for parents

Why take blood from a vein in an infant?

The main types of blood tests from the vein:

  • biochemical;
  • for sugar;
  • serological;
  • for allergens;
  • per group and Rh factor.

To the direction of a biochemical blood test, a doctor should have serious reasons for .Such research is carried out with suspicions of dysfunction of certain organs."Biochemistry" allows you to identify diabetes, hepatitis and some dangerous infections.

Note: for research usually takes 5 ml of blood.


Blood test is often directed by an allergist.It is necessary if the crumbs often appear rashes, and the skin is crane and scaly.The analysis for allergens is also required when there is a propensity for asthma .As a rule, the blood is checked immediately for sensitivity to a number of allergens( up to a hundred). Their list in each case is individual.Going with the child for tests, find out what the laboratory has;In some only detect sensitivity only to the most common allergens.

blood Serological blood test is important for the diagnosis of a number of infectious diseases .Among them, toxoplasmosis, measles, herpes, mumps( mumps) and rubella.After receiving the data, adequate therapy can be prescribed.

At the slightest suspicion of diabetes mellitus, abnormalities in the pancreas or the pathology of endocrine glands in an infant, blood is taken from the vein to the sugar.The same analysis is carried out in detecting signs of epilepsy.

The analysis of blood from the vein determines its group and Rh factor.This study is needed in emergency cases, when blood transfusion is to be performed( after a loss of blood or during an operation).

How do you take blood from a vein from a baby?

How to take blood Blood from a baby from a vein should be taken on an empty stomach.It is advisable to go for analysis in the early morning hours, so that the babe immediately could eat after the procedure .This issue should be discussed with the pediatrician beforehand.

Note: the hands of the child before the injection should be warm;In this case, the nurse will get the right amount of blood without problems, without repeated injections of the needle.

Most often, blood sampling is performed from the elbow fold( as well as in adults).The site of the injection is carefully wiped thoroughly with alcohol for disinfection.On the shoulder a tourniquet is applied, a syringe is taken, transferred to a test tube, and then the tourniquet is removed.After manipulation, the damaged skin is again subjected to antiseptic treatment.

In children younger than 3-4 years, the elbow vein is very difficult to find, so blood can be taken from the forearm, the back of the palm, or from the calf of the legs .If large vessels can not be found, as a last resort, biological material can be taken from the veins of the head( forehead).

Tips for Parents

In order for the procedure to go without complications, and was as less exciting for the baby, it is advisable to take it to a certified medical facility with an experienced nurse.

No need to worry if, during the procedure, you are asked to leave the manipulation room.Similarly, the medical staff reduces the overall nervousness of the .With a baby for a couple of minutes nothing will happen, so in the presence of parents there is no need.

Take with you to the clinic your favorite toy of the baby, in order to create a positive attitude.You can specifically buy a new rattle, which will attract the attention of the baby.

blood test After the procedure, try to create a positive attitude;Play with a crumb or read her favorite book.Due to this, the kid will not have unpleasant memories connected with visiting the clinic and unpleasant procedure.

Try not to be worried during the procedure - negative emotions are instantly transmitted from mother to baby.Taking blood from a vein is a little painful, but quick.After 2-3 minutes, discomfort will disappear without a trace.Be calm and optimistic - then for the child the procedure will pass almost without negative impressions.

Important: pain can generally be avoided.Skin crumbs at the point of needle pricking should be lubricated with a special cream with an anesthetic( Emla, etc.). Alternatively, Menovasin may be used to "freeze" the skin.Before using these pain medications, it is important to consult a doctor( some children develop allergic reactions).

In order for the procedure to take place without complications, professionalism of medical workers and correct behavior of parents are required.Interpretation of the results of a blood test from a vein is the task of the attending physician.

Vladimir Plisov, medical reviewer

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