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Bromide Blood Test

Last updated Jan. 26, 2016


What are other Names for this Test? (Equivalent Terms)

  • Br Blood Test
  • Bromide Levels Blood Test

What is the Bromide Blood Test? (Background Information)

  • Bromine (Br) is an element that dissolves to form bromide (Br-). Bromide is needed in very small doses. However, it is toxic in large amounts
  • Bromine is found in certain medications used to treat depression and induce sleep. It is also used as a disinfectant in swimming pools and spas, similarly to chlorine
  • Bromide lingers in the body for up to 24 days. It is slowly removed by the kidneys
  • In large doses, bromide may cause adverse gastrointestinal conditions. However, chronic exposure to bromide is more serious, and may cause psychological problems
  • The Bromide Blood Test helps determine the levels of bromide in blood. It is used to monitor bromide levels when administering bromide drugs. It also detects acute and chronic bromide toxicity

What are the Clinical Indications for performing the Bromide Blood Test?

Following are the clinical indications for performing the Bromide Blood Test:

  • Monitoring therapy of bromine-containing drugs
  • Skin rash
  • Anorexia
  • Fever
  • Motor incoordination
  • Tremors
  • Delirium
  • Constipation 

How is the Specimen Collected for the Bromide Blood Test?

Following is the specimen collection process for Bromide Blood Test:

Sample required: Blood

Process of obtaining blood sample in adults:

  • A band is wrapped around the arm, 3-4 inches above the collection site (superficial vein that lies within the elbow pit)
  • The site is cleaned with 70% alcohol in an outward spiral, away from the zone of needle insertion
  • The needle cap is removed and is held in line with the vein, pulling the skin tight
  • With a small and quick thrust, the vein is penetrated using the needle
  • The required amount of blood sample is collected by pulling the plunger of the syringe out slowly
  • The wrap band is removed, gauze is placed on the collection site, and the needle is removed
  • The blood is immediately transferred into the blood container, which has the appropriate preservative/clot activator/anti-coagulant
  • The syringe and the needle are disposed into the appropriate “sharp container” for safe and hygienic disposal

Preparation required: No special preparation is needed prior to the test.

What is the Significance of the Bromide Blood Test Result?

A high value for the Bromide Blood Test may indicate bromide toxicity, which is marked by: 

  • Monitoring therapy of bromine-containing drugs
  • Skin rash
  • Anorexia
  • Fever
  • Motor incoordination
  • Tremors
  • Delirium
  • Constipation 

The laboratory test results are NOT to be interpreted as results of a "stand-alone" test. The test results have to be interpreted after correlating with suitable clinical findings and additional supplemental tests/information. Your healthcare providers will explain the meaning of your tests results, based on the overall clinical scenario.

Additional and Relevant Useful Information:

  • Certain factors, such as chloride, can interfere with the results of the Bromide Blood Test 

Certain medications that you may be currently taking may influence the outcome of the test. Hence, it is important to inform your healthcare provider of the complete list of medications (including any herbal supplements) you are currently taking. This will help the healthcare provider interpret your test results more accurately and avoid unnecessary chances of a misdiagnosis.

What are some Useful Resources for Additional Information?

The following DoveMed website link is a useful resource for additional information:

http://www.dovemed.com/basic-metabolic-panel-test/

Please visit our Laboratory Procedures Center for more physician-approved health information:

http://www.dovemed.com/common-procedures/procedures-laboratory/

References and Information Sources used for the Article:

Kee, J. L. (2010). Laboratory and diagnostic tests with nursing implications (8th ed.). Upper Saddle River, NJ: Pearson.

Martini, F., Nath, J. L., & Bartholomew, E. F. (2012). Fundamentals of anatomy & physiology (9th ed.). San Francisco: Benjamin Cummings.

Schnell, Z. B., Van, L. A., & Kranpitz, T. R. (2003). Davis's Comprehensive handbook of laboratory and diagnostic tests: With nursing implications. Philadelphia: F.A. Davis. 

Williamson, M. A., Snyder, L. M., & Wallach, J. B. (2011). Wallach's interpretation of diagnostic tests (9th ed.). Philadelphia: Wolters Kluwer/Lippincott Williams & Wilkins.

Reviewed and Approved by a member of the DoveMed Editorial Board
First uploaded: Jan. 26, 2016
Last updated: Jan. 26, 2016