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Calcium
Health Encyclopedia: Calcium Ionized
Ionized calcium is a test that measures the amount of free calcium (Ca++, Ca +2) in the blood. (See also
Alternative Names
Free calcium; Ionized calcium
How the test is performed
Blood is drawn from a vein (
Expert & Community Posts
Calcium Supplements
By Neil Gonter, MD , Health Expert...Reader's Question: I am often confused about which calcium to take. There are so many of them... Read more »
Worrisome Calcium Study
By Lila de Tantillo , Health Expert...Uh-oh, just as I'm starting to remember to take my calcium daily, I learn this. An Auckland (New... Read more »
more calcium good news
By Lila de Tantillo , Health Expert...already have enough important reasons to take our calcium and Vitamin D, a study in the Archives... Read more »
What Calcium Means for Your Heart
By Dr. William Davis , Health Expert.........deterioration of bone strength (demineralization) by taking calcium supplements, 1200-1300... Read more »
Weighing In: Should my husband take a calcium supplement?
By Heather Reese , Health Expert......probably why your doctor recommended that you take a calcium supplement. In fact, post... Read more »
Health Guide
Calcium: urine
...considerations There are some drugs that may interfere with this test. Drugs that may increase urine calcium measurements include: antacids, anticonvulsants, carbonic anhydrase inhibitor... Read more »Serum calcium
...Names Ca+2; Calcium - serum; Ca++ Read more »Calcium: urine
...Urinary Ca+2 Normal Values If a person is eating a normal diet, the expected amount of calcium in the urine is 100 to 300 mg/day. If eating a diet low in calcium, the amount of... Read more »Calcium: urine
............laboratory or your health care provider as soon as possible upon completion. The lab analyzes the sample for calcium content. How to prepare for the test No special preparation... Read more »Serum calcium
............ How to prepare for the test Drugs that can cause increased measurements in this test include calcium salts (for example, in nutritional supplements or antacids), vitamin D, lithium,... Read more »Images
Related News
Calcium Linked to Prostate Cancer
September 09, 2008(Ivanhoe Newswire) -- Too much calcium in a man's bloodstream could increase his risk of developing fatal prostate cancer, according to a new study.... Read summary »
Vitamin D and Calcium: No Breast Cancer Benefit
November 18, 2008(Ivanhoe Newswire) -- Calcium and vitamin D supplements do not protect postmenopausal women from breast cancer, a new study reveals. Researchers... Read summary »
Q&A: Answers to top calcium questions
July 16, 2009Calcium is hailed as one of the most important nutrients for long-term bone health, but many patients have questions about how much is enough, and... Read summary »
Q&A: The best calcium supplements for osteoporosis prevention
December 10, 2008A reader wants to know if there is a difference between calcium carbonate and calcium citrate when it comes to preventing osteoporosis. According to... Read summary »
Calcium may predict prostate cancer mortality
February 19, 2009A new study suggests that high levels of ionized calcium and total calcium in the body are linked to an increased risk of death from prostate cancer.... Read summary »
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