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Lab Test Discussion

Lab test discussion about lab test results and utilization.

New Guidelines Say No to Screening EKGs for Low-Risk Patients

August 6, 2012

MONDAY, July 30 (HealthDay News) — A top U.S. advisory panel has recommended against preventive electrocardiography (EKG) screening for people at low risk of heart disease. The U.S. Preventive Services Task Force also determined there is not enough evidence to recommend for or against screening people without symptoms who are at moderate or high...
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Understanding Diabetes

July 28, 2012

DIABETES Mellitus is a disease in which blood sugar (glucose) levels are abnormally high because the body does not produce enough of the hormone insulin or the body fails to respond to insulin. When sugar from food is absorbed into the bloodstream, the pancreas responds by producing insulin. Insulin plays a key role in...
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Pre-analytical factors that affect testosterone levels in replacement therapy

June 14, 2012

Total testosterone but not free testosterone (especially analog based free testosterone method) is recommended to monitor testosterone levels in patients who receive testosterone replacement therapy by the American Endo Society. It is also recommended to evaluate the patient 3 to 6 months after treatment initiation, aiming at achieving serum testosterone levels in the mid-normal...
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Molecular Diagnostic Test, Early Warning Tool Against Diseases

March 21, 2012

MANILA, Philippines – Despite numerous check-ups and diagnostic tests, his cancer was not detected until it was too late . . .” For thousands of Filipino families, this is a familiar statement regarding the nightmare of losing a loved one because of inaccurate and much-delayed medical diagnosis. Fortunately, a high-tech (yet affordable) solution is...
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What to measure to assess hypogonadism in men?

November 7, 2011

What to measure to assess hypogonadism in men: Total Testosterone, Free Testosterone or Bioavailable Testosterone? By Webmaster Testosterone is the primary biochemical test for assessing hypogonadism in men. The picture is complicated by the fact that testosterone circulates in blood in three forms including free, bound to albumin and bound to sex hormone binding...
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Short-Term Fluctuations in PSA Blood Test Results

November 4, 2011

 We are often asked about interpretation of short-term fluctuations in PSA blood test results. Most cases are related to PSA concentrations between 4 to 10 ug/L in which the initial PSA level is around 10 ug/L but decreases to a value less than 4 ug/L within a few weeks with no intervention. Sources of...
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Best Lab Tests for Diagnosis of Diabetes Mellitus

October 26, 2011

By Armughan Riaz History and physical examination  are most important tools for diagnosing diabetes Mellitus, however to confirm diagnosis one should have following laboratory tests. Urine sugar test Urine ketones test OGTT-Oral Glucose Tolerance Test,  (also called glucose challenge test) Blood glucose tests FPG-Fasting plasma glucose Test Random plasma glucose Test Tests for ongoing...
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Why Have a Cholesterol Blood Test?

October 26, 2011

By Robert Grazian To measure cholesterol, a simple blood test is often carried out. 12 hours before your test you may be required to refrain from eating (which usually includes when you are sleeping at nighttime). This requirement is to enable a blood measurement after allowing time for all food to be digested. The...
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Blood Test Result

October 26, 2011

What Does The Blood Test Result Mean? Part 1 – Comprehensive Metabolic Panel (CMP) By Rachael Miller The Comprehensive Metabolic Panel, also known as CMP is an inexpensive blood test that gives you vital information. Why is this important? Generally most people have not had the training to understand what the basic laboratory tests...
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Interpreting Basic Blood Test

October 26, 2011

By Jessica Watson Blood test results should always be interpreted by health care professionals such as your doctor. However, it is also a good idea to have some background knowledge about blood tests. A blood test is ordered by a doctor to help make diagnosis easier. To perform a blood test, qualified medical personnel...
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Doctors: Pap remains best test for cervical cancer

October 19, 2011

By MARILYNN MARCHIONE – AP Chief Medical Writer There’s more news on cancer screening tests — this time for women. Scientists advising the government say a Pap test is a good way to screen young and middle-aged women for cervical cancer, and it’s only needed once every three years. But they say there is...
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Ionized Calcium Blood Test

October 17, 2011

Calcium in blood exists in a variety of forms.  Approximately 50% is in the free ionized calcium form (iCa), 40% is bound to proteins (mainly albumin, and the rest globulins), and 10-15% to inorganic anions (such as bicarbonate, phosphate, citrate). The iCa concentration represents the biologically active calcium fraction and is under homeostatic control....
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HbA1c Blood Test in Patients Who Have Hemoglobinopathies

October 5, 2011

HbA1c is a measure of the amount of glucose-attached (glycated)-hemoglobin (Hb) in red blood cells and, for most individuals, is used as a reliable estimate of mean plasma glucose (PG) levels over the previous 3 to 4 months1. HbA1C methods and hemoglobin variants and derivatives There are many accurate and precise methods available for...
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