Results for barium sulfate
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Dictionary:

barium sulfate


n.

A fine white powder, BaSO4, used as a pigment, as a filler for textiles, rubbers, and plastics, and as a contrast medium in x-ray photography of the digestive tract.


 
 
Dental Dictionary: barium sulfate

n

A white, finely ground, tasteless powder that is insoluble in water, solvents, and solutions of acids and alkalis; used in radiography as a contrast medium because of its opacity to roentgen rays and as a protective barrier in plaster walls.

 
Drug Info: Barium Sulfate

Brand names: Anatrast®, Baro-cat®, Baricon®, Barobag®, Baroflave®, Digibar 190®, Enecat®, Entrobar®, Epi-C®, Flo-Coat®, HD 85®, Liquid Barosperse®, Liquipake®, Prepcat®, Tomocat®, Tonopaque®, Intropaste®, HD 200 Plus®, Enhancer®, Pediatric Bear-E-Bag®, Barosperse®, EntroEase Dry®, Liqui-Coat HD®, Medebar Plus®, Imager ac®, Bear-E.Yum GI®, EntroEase®, Bear-E.Yum CT®, Cheetah®



Barium Sulfate oral suspension

What is Barium Sulfate oral suspension?

BARIUM SULFATE (many brands) is a radiopaque agent used to diagnose problems with the gastrointestinal (GI) tract. When barium is taken by mouth, it makes the upper areas of the GI tract, like the esophagus, the stomach, and/or the small intestine opaque or white so they can be photographed by x-rays. This test is commonly called an 'Upper GI' test. Usually several x-rays are taken to take pictures as the barium moves through the stomach and intestines. The barium procedure shows if anything is wrong inside the GI tract and how well it is working. Generic barium sulfate oral suspensions are available.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
• asthma
• dehydration
• difficulty swallowing
• eczema or a history of significant allergies
• intestinal blockage or perforation
• intestinal or stomach cancer
• an unusual reaction to Barium Sulfate, other medicines, foods, dyes, or preservatives
• pregnant or trying to get pregnant
• breast-feeding

How should this medicine be used?

Barium sulfate oral suspension is taken by mouth (swallowed). Your health care professional will tell you how to prepare for your test. If you have not received instructions or if you do not understand them, check with your health care professional before the test. You will not be able to eat for a certain period of time before the barium test. For some tests, you may not be able to eat after your evening meal or after a certain time in the evening. You may be allowed to drink small amounts of clear liquids until midnight. Some tests may require you to take a laxative and/or an enema.

Contact your pediatrician or health care professional regarding the use of this medicine in children. Special care may be needed.

What if I miss a dose?

If you cannot follow the steps to prepare for your test, you must tell your health care professional. The test may need to be re-scheduled.

What drug(s) may interact with Barium Sulfate?

• No drug interactions have been documented between barium sulfate and other medications. However, you may or may not be able to take your regular medications during the time of preparation for your procedure. Ask your health care professional.

Tell your prescriber or health care professional about all other medicines you are taking, including non-prescription medicines, nutritional supplements, or herbal products. Also tell your prescriber or health care professional if you are a frequent user of drinks with caffeine or alcohol, if you smoke, or if you use illegal drugs. These may affect the way your medicine works. Check with your health care professional before stopping or starting any of your medicines.



What should I watch for while taking Barium Sulfate?

Follow all instructions of your health care professional to properly prepare for your test. Serious side effects of the test are rare, but report an unexplained fever, blood in the stool, or significant abdominal pain promptly.

After the test, drink plenty of water to help avoid constipation and to help flush the barium out. You may have light or white stools for a few days after the test; do not be concerned. Your stools will go back to normal color within a few days.

What side effects may I notice from receiving Barium Sulfate?

Side effects that you should report to your prescriber or health care professional as soon as possible:
• bloating
• constipation (severe or continuing)
• cramping (severe)
• nausea or vomiting
• stomach or lower abdominal pain
• tightness in chest or troubled breathing
• wheezing

Side effects that usually do not require medical attention (report to your prescriber or health care professional if they continue or are bothersome):
• constipation
• cramping
• diarrhea

Where can I keep my medicine?

This usually does not apply; you will be given barium during the procedure.

Keep out of reach of children. Store at controlled room temperature between 15—30 degrees C (59—86 degrees F). Keep container tightly closed. Do not freeze. Throw away any unused medicine after the expiration date.

Last updated: 3/4/2004 2:42:00 PM

Important Disclaimer: The drug information provided here is for educational purposes only. It is intended to supplement, not substitute for, the diagnosis, treatment and advice of a medical professional. This drug information does not cover all possible uses, precautions, side effects and interactions. It should not be construed to indicate that this or any drug is safe for you. Consult your medical professional for guidance before using any prescription or over the counter drugs.

 
Wikipedia: barium sulfate
Chemical structure of barium sulfate
3D model of barium sulfate

Barium Sulfate

CAS number
[7727-43-7]
ATC code
V08BA01
Chemical formula BaSO4
Molar mass 233.43 g/mol
Specific gravity 4.5
Bioavailability negligible orally
Melting point 1580°C
Density 4.5 g/cm3
Solubility in water 0.00115 g/L (18°C)
Solubility Product in water 1.08×10-10 (25°C)
RTECS number CR060000

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Barium sulfate (or barium sulphate) is a white crystalline solid with the chemical formula BaSO4. It is poorly soluble in water and other traditional solvents but is soluble in concentrated sulfuric acid. The mineral barite is composed largely of barium sulfate and is a common ore of barium.

Uses

Radiocontrast agent

Barium sulfate is frequently used clinically as a radiocontrast agent for X-ray imaging and other diagnostic procedures. It is most often used in imaging of the GI tract during what is colloquially known as a 'Barium meal'.

It is administered, orally or by enema, as a suspension of fine particles in an aqueous solution (often with sweetening agents added). Although barium is a heavy metal, and its water-soluble compounds are often highly toxic, the extremely low solubility of barium sulfate protects the patient from absorbing harmful amounts of the metal. Barium sulfate is also readily removed from the body, unlike Thorotrast, which it replaced. Due to its relatively high atomic number (Z = 56) of barium, its compounds absorb X-rays more strongly than compounds derived from lighter nuclei.

Pigment

Barium sulfate mixtures are used as white pigment for paints. The combination of barium sulfate and zinc sulfide (ZnS) is called lithopone. Barium sulfate itself is called blanc fixe. It replaced white lead due to the latter's toxicity.

Pyrotechnics

Barium sulfate is also used as a high temperature oxidizer in certain pyrotechnic formulas, as bariums compounds emit a green colored light when burned. Barium nitrate is more common in green pyrotechnic formulas, as it contains an oxidizer while still producing green colored light.

Other uses

Barium sulfate is used as a filler in plastics and as a component of oil well drilling fluid to increase the density.

It is used in brake linings, acoustic foams and powder coatings

Barium sulfate is also used during the procedure of the soil pH test. In this test it is used so that it precipitates out any particles (usually clay particles) which would otherwise 'cloud' solution preventing one from seeing the colour of the pH indicator i.e. the result of the test.

It is used in root canal filling.

In colorimetry barium sulphate is used as a near-perfect diffuser when measuring light sources.

History

Barium sulfate is reduced to barium sulfide by carbon. The accidental discovery of this conversion many centuries ago led to the discovery of the first synthetic phosphor (Hollman and Wiberg, 2001). The sulfide, unlike the sulfate, is water soluble.

References

  • Holleman, A. F. and Wiberg, E. (2001) Inorganic Chemistry, San Diego, CA : Academic Press, ISBN 0-12-352651-5

 
 

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Copyrights:

Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved.  Read more
Dental Dictionary. Mosby's Dental Dictionary. Copyright © 2004 by Elsevier, Inc. All rights reserved.  Read more
Drug Info. Gold Standard. Copyright © 2008 by Gold Standard. All rights reserved.  Read more
Wikipedia. This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Barium sulfate" Read more

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