Examination of the ammonia and the reasons for it and how to interpret the results?

Think of ammonia (also known as NH3) is one of the remnants of the body during the digestion of protein, and is usually processed to ammonia in the liver, where it is converted to another product called urea, which is discarded through the urine.

If the body can’t process or eliminate ammonia, it will accumulate in the blood stream, where it can lead to ammonia levels high in the blood to serious health problems, including brain damage, coma and even death, and often the ammonia levels high in the blood resulting from liver disease, or kidney failure, or genetic disorders.

What is checked ammonia and its uses in?

Says checked ammonia levels of ammonia in the blood, and is used to diagnose or monitor situations that cause high levels of ammonia, these include:

  • Hepatic encephalopathy, is a condition that occurs when the liver is unable to process ammonia properly, and in this disorder accumulate ammonia in the blood and travels to the brain, which can cause confusion, coma or even death.
  • Reye’s syndrome, which is a dangerous and deadly at times which cause damage to the liver and the brain. Often afflict children and adolescents who have been treated for viral diseases such as chickenpox or influenza, aspirin.
  • Disorders in the urea cycle, to a genetic disorders are rare and affect the body’s ability to convert ammonia to urea.
  • Can also be used to check ammonia formonitoring the effectiveness of treatment of diseases of the liver or kidney failure.

M pleased examination

1. You may need to perform this test if you suffer from liver disease showed a symptom of a disorder in the brain, such as:

  • Extreme confusion.
  • Excessive sleepiness.
  • Mood swings.
  • A shake of the hand.2. Your baby may need to this examination if he has symptoms of Reye’s syndrome, such as:
  • Vomiting.
  • Sleepy.
  • Irritation of the skin.
  • Spells.

The same symptoms may be a sign of a disorder of the urea cycle.

  1. The examination is conducted by taking a blood sample from a vein, but to examine the newborns blood is taken from the heel of the foot.
  2. You should not exercise or smoke for eight hours before the examination of ammonia.
  3. Do children need any special preparations before the scan.
  4. Some doctors believe that screening using a blood sample from an artery may provide more accurate information on the levels of ammonia than if the sample was blood from a vein.

What do you mean test results of ammonia?

High levels of ammonia in the blood, may be a sign of one of the following cases:

  • Diseases of the liver, such as cirrhosis of the liver or hepatitis.
  • Hepatic encephalopathy.
  • Renal failure.
  • In children and adolescents, may be a sign of Reye’s syndrome.
  • In infants, it may be the levels of ammonia associated with the sign of the presence of hereditary disease in the urea cycle or the presence of a case of anemia lapping at birth, where that situation when the development of the mother’s antibodies to the cells of the blood of her child.

Sources

  • AMERICAN LIVER FOUNDATION (2017) Diagnosing Hepatic Encephalopathy, Available at: https://liverfoundation.org/for-patients/about-the-liver/diseases-of-the-liver/hepatic-encephalopathy/diagnosing-hepatic-encephalopathy/#what-are-the-symptoms (Accessed: 2 November 2019).
  • AACC (2019) Ammonia, Available at: https://labtestsonline.org/tests/ammonia (Accessed: 2 November 2019).
  • US, National Library of Medicine (2019) How is newborn screening done?, Available at: https://ghr.nlm.nih.gov/primer/newbornscreening/nbsprocedure?_ga=2.148472375.1425167961.1572459166-1139383276.1561423928 (Accessed: 2 November 2019).
  • University of Wisconsin Hospitals and Clinics Authority (2019) Ammonia, Available at: https://www.uwhealth.org/health/topic/medicaltest/ammonia/hw1768.html#hw1792 (Accessed: 2 November 2019).

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