Recent content about Tests - Page 5

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Latest content about Tests

Mammogram: What It’s For, How It’s Done & 5 Common Doubts

A mammogram is a test that is used to evaluate and detect changes to breast tissue. It can be ordered as routine screening or if there is suspicious finding noted during a physical breast exam. Learn more about how mammograms are done, who .

Tests

Eosinophils: Reference Ranges (& What High or Low Levels Mean)

Eosinophils are a type of defense cell in the blood that can increase due to allergies, infections, medications or inflammatory diseases. Results should always be interpreted by the ordering physician to determine an underlying cause. Learn.

Tests

Pap Smear: What Is, How it Works & Results

A pap smear is a gynecological exam that detects cervical changes and illnesses, like inflammation, HPV and cancer. It is recommended for all women who are sexuallu active. Learn more about the pap smear, how it's performed, and how to interpret the results.

Tests

Estradiol Test: Uses, Preparation & Reference Ranges

An estradiol test looks at the levels of this hormone circulating in the blood. It is used to evaluate the functioning of ovaries in women, and the testes in men, especially in cases of infertility. Learn more about what this test is used for and what high or low levels mean.

Tests

Urine Culture: What It Tests, How to Do, & Results

A urine culture test is generally used to diagnose a UTI. This test sects the quantity and type of bacteria present in the urine, as well as the best antibiotics for treatment. Learn more about how to collect a urine specimen for this test, what results mean, and other urine tests available.

Tests

Arterial Blood Gases (ABG's): What It's For & Normal Levels

Arterial blood gases (ABGs) are a blood test done on patients admitted to the hospital. It evaluates whether gases (oxygen and carbon dioxide) are being properly exchanged in the lungs. Learn more about why this test is done, how it's done and what normal levels should be.

Tests

Alkaline Phosphatase (ALP): Why It’s High or Low (& Normal Ranges)

Alkaline phosphate is an enzyme that is present in the liver and bones and is helpful for evaluating for liver or bone disease. Learn more about when it’s ordered, what causes high or low levels, and what the normal ranges are.

Tests

Creatinine: What Is It, Normal Levels & When to Worry

Creatinine levels are used to evaluate kidney function. Elevated levels may help to identify a kidney injury or infection. Learn what creatinine tests are for, and what the normal levels are, as well as what can cause high or low creatinine .

Tests

Bilirubin: Types, Normal Ranges & What Causes High Levels

Bilirubin is a substance produced by the liver using hemoglobin that is released by destroyed or damaged red blood cells. Learn more about what the normal ranges are, the types of bilirubin (direct, indirect and total), as well as what can cause high levels .

Tests

BUN Blood Test: What Is It, Uses & What Results Mean

A BUN blood test is ordered to evaluate kidney and liver function. Urea is a substance produced by the liver and is an end-product of breakdown of protein. Learn more about how it can measure liver and kidney function, why it’s ordered, and what normal ranges are. Also read about what high or low BUN levels mean.

Tests

Protein in Urine: Causes, Types & Symptoms

High levels of protein in the urine can occur for many reasons, like high blood pressure, diabetes or dehydration. Learn more about what can cause protein in the urine, symptoms associated with proteinuria and how it is treated .

Tests

Lymphocytes: What Are They, Types & High or Low Levels

Lymphocytes are a type of white blood cell that help to protect the body from infections. Low lymphocytes can be a sign of illnesses like AIDS or a side-effect of medication or cancer therapy. High levels can occur with infections or allergies. Learn more about the different types and causes high or low lymphocytes.

Tests

CEA Blood Test: What It Tests & Normal Levels

CEA blood tests are usually ordered to help with the diagnosis and monitoring of patients with colorectal cancer. However, it can also be elevated with other health conditions, like liver or pancreatic problems. Learn more about what the CEA test, what it tests for and what normal levels are.

Tests

Lactate Dehydrogenase (LDH): Uses & High or Low Levels

The LDH blood test is an exam that is ordered to investigate for cardiac and liver disease. Lactate dehydrogenase (LDH) is an enzyme present in the cells that metabolizes sugar in the body. Learn more about what this test is used for and what high or low levels mean.

Tests

TB Test: What Is It, How It’s Done & Positive or Negative Result

A TB test is done by injecting a small amount of tuberculin (protein from the tuberculosis bacteria) beneath the skin of the forearm. The skin reaction to this injection is then assessed 72 hours later. Learn more about how this test is done, and what a positive or negative result mean.