The gland in the body which is responsible for the secretion of the hormone is the pituitary gland. This hormone has a number of functions in the body, plays a key role in the growth of the individual process. It also touches on the metabolism of the body and the conversion of the energy body that is usable by the body. The levels of this hormone are not constant, and they fluctuate based in a number of reasons such as sleep, exercise, diet and stress. Human growth hormone tests measure current levels of growth hormone in the blood.
Function
The testing for this hormone is very important for the treatment and care of these children who have been diagnosed with underproduction or over-production of HGH in the blood. This test is performed to keep an eye on the levels of this hormone in the young. It is to avoid certain conditions resulting from, such as Gigantism or dwarfism, the latter caused by the minimum of hormone production while the former is caused by n too surplus of production.
Considerations
Some of these conditions to hormone may also occur in adults. Such a condition is called adenoma or also called a tumor of the pituitary gland which is not cancerous, it is a result of too much hormone production. Some of the effects of this defect are abnormal sizes of the feet, feet, face and jaw. In this particular scenario, the importance of the criterion of this hormone is not only to determine the diagnosis of the tumor, but also keep an eye on the treatment given and to see if it works or not.
Types
Growth hormone test is of two types; Deletion of RI and RI stimulation tests. The latter is used in the diagnosis of Hypopituitarism, which is the basis to determine if arginine, or any other solution intravenous arginine, is used in the stimulation of the pituitary to secrete normal levels of growth hormone in the body. The first is used in the diagnosis of hyperpituitarism and is very important in the identification and localization of pituitary tumors.
Characteristics
These tests are very similar in nature. They involve the withdrawal of blood from a patient who has been fasting for about ten to twelve hours. In simulation RI test, there is the administration of insulin for intravenous solution, and then it was withdraw blood at regular intervals. The samples which have been withdrawn are then tested for levels of growth hormone. In the test of the repression, the individual has take glucose solution so that the blood removed.
Warning
Those who take corticosteroids, insulin, amphetamines and estrogen, or those who have hypoglycemia should not go for the tests.
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