Baby Development

What You Need to Know About Heel Blood Test in Infants

What You Need to Know About Heel Blood Test in Infants

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You might not have known much about pregnancy before. But you learned a lot by living. The same applies to the care and health of your baby.

Just as there are certain examinations that should be performed in pregnancy in order to have a healthy pregnancy, the same is true after your baby is born. show a healthy development for also applies. Because early diagnosis, many diseases are prevented with simple treatment methods.

Infants heel blood The application of intake is a test that should be performed to determine some genetic or metabolic disorders in your newborn.

What is Heel Blood Test?

After birth, a series of screening and tests such as hearing and vision, undescended testes and hip dislocation are performed routinely. Another test is the heel blood test.

This test, also known as intelligence test, is usually carried out by taking some blood from the baby's heel within 3 days after birth. genetic or developmental diseases early treatment can prevent the disease.

Heel blood in infantsIf the baby is born on the day, it should be taken in a time period close to the hospital. In order to detect hereditary and metabolic diseases, the baby must be fed for at least 24 hours.

This procedure is the same in all hospitals, but if the heel blood was taken within 24 hours after the baby was born, blood should be re-drawn after one or two weeks.

Normally the most appropriate after the baby is born 24-72 hours the test and within this period 7 days persists.

However, if preterm delivery has occurred or if heel blood cannot be obtained from the baby for any reason, the heel blood test should be performed approximately one week after delivery.

Heel Test How?

As the name implies, the heel test is performed with blood taken from the heel of the newborn. A needle with a maximum 2.5 mm hole is drilled in the baby's heel to allow blood to flow.

It is OK to squeeze your baby's heel slightly if blood is low. Flowing blood is put on special filter paper and made ready with the baby's parents, address and telephone information.

Then the sample is sent to the laboratory and the screening is performed.

Which Diseases Can Be Diagnosed in Heel Blood Test?

Many parents do not know which diseases the heel test after birth can diagnose.

Therefore we also Why is heel blood taken in infantsThe heel blood test can tell you in detail which diseases can diagnose:


This disease, which is a little difficult to say, is caused by the increase of phenylalanine and metabolites in the blood and body fluids due to deficiency of phenylalanine hydroxylase enzyme.

This disease, when the baby starts feeding phenylalanine amino acid and metabolites accumulate in the blood and cause damage to the brain.

Damage result in the baby mental retardation and neurological damage It is formed.

Early detection of the disease through the heel blood test and subsequent application of the phenylalanine diet to the baby may continue the normal development of the baby. This emphasizes the importance of the heel blood test for early diagnosis.


Hypothyroidism, as the name suggests, is a thyroid disease that causes the thyroid glands to fail to function adequately and as a result provides growth and development in the body. inadequate secretion of thyroid hormones situation is.

Maternal iodine deficiency and hasimato disease may be the cause of hypothyroidism in the baby.

In cases of hypothyroidism in an undetected baby, mental retardation and brain damage may occur. However, these conditions can be prevented if appropriate treatment is applied with early diagnosis. The fact that the treatment is performed by a simple method such as oral administration of the hormone that the baby cannot produce emphasizes the importance of early diagnosis.

Biotinidase Deficiency

Biotinidase deficiency causes hypotonia (loose baby), hair loss, eczema, remittance, growth retardation, uneven walking, hearing and loss of vision damage.

// www. / Loose-baby-hypotonia-definition /

It is important to detect the deficiency of this enzyme, which is responsible for protein degradation, gluconeogenesis and fat synthesis, by early heel blood test. Otherwise, the baby may have neurological disorders and may even cause death.

The method of treatment is given to the baby orally. biotin It takes place. If the baby is started without any damage, these damages can be prevented.


It is a metabolic disease and it is necessary for energy production in infants with this disease. galactose It is the case that the enzyme that makes use of it cannot be secreted.

Symptoms usually present several days after birth. These symptoms are jaundice, vomiting, liver growth, diarrhea and accumulation of fluid in the abdomen.

This disease can cause kidney failure and mental retardation can be treated by feeding the baby with lactose-free foods.

How are heel blood results evaluated?

The most worried part of the families heel blood results It is. The heel test results usually appear within 3 weeks. In the general practice, if no problems are observed in the blood of the baby, the family is not sought.

However, in case of suspicious or positive values, information is provided by calling the family. In some cases, the blood sample can not be found enough to call the family may be asked to give blood again.

In addition, heel blood test should be repeated for positive and suspicious results. If the result is positive again, treatment method should be determined and started immediately.

Some families why heel blood is taken they do not know or oppose the heel blood from their babies. This is extremely wrong and unnecessary behavior.

Taking blood from your baby's heel doesn't harm it, but makes sure that your baby is diagnosed with important diseases early treatment with to prevent negative consequences It is passed.

Sometimes families may be asked for a second heel test. It is also important to have the second heel test performed by the family physician without neglect. The second heel test is usually ordered when:

  • If the heel blood was taken within 24 hours after the baby was born,
  • If the first heel blood was taken before the baby was fed enough,
  • If the baby is given antibiotics during the first blood drawn,
  • If the baby was born premature,
  • If the baby had a blood exchange.

Infants heel blood test is a very important test is vital. Therefore, you must have this test and follow it.

Thus, you can avoid many problems that may occur in your baby.

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