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Tests

The Latest

Medical emergency in ER.

Blood Test Detects Heart Attacks and False Alarms Faster

A highly-sensitive blood test to detect heart attack was faster and more accurate than conventional diagnostic methods in a study conducted in Texas.

White blood cells amongst red.

Understanding Eosinophils: The White Blood Cell Quiet Giants

Eosinophils are associated with so many different conditions. Learn how this type of white blood cell has become a crucial marker in medicine.

Thyroid ultrasound.

Do All Thyroid Nodules Require Surgery?

The simple answer is no, but your situation might be more complicated. Here's what you should know about surgery for thyroid nodules.

Man explain to doctor how it feels when he breathes.

Nasal Brushing: An Emerging Asthma Diagnostic Technique

Nasal brush tests may help diagnose asthma by identifying a specific set of genes. Read about the research behind this test and how it may affect future treatments.

Man blood test.

Prostate Cancer? A New Blood Test Can Help

If you have advanced prostate cancer, a blood test for a protein called AR-V7 may help predict how you'll respond to specific treatments.

A doctor gives a young woman a checkup.

Important Facts About Diagnosing RA

A rheumatoid arthritis diagnosis is not always straightforward. These are the tests and considerations you may need along your journey.

Woman doing diabetic blood test

Why You Should Carefully Manage Blood Sugar

Learn how careful blood sugar management can help you take better control your diabetes.

Gastroenterologist ordering diagnostic tests.

‘Invisible’ Blood in the Stool Raises Risk of Death

Researchers found that a positive fecal occult blood test result is associated with a 58 percent higher risk of death from all causes. Invisible blood in the stool is believed to be a marker for inflammation in the body, which can indicate a serious medical problem.

Colonoscopy concept painted watercolor word art.

Step-by-Step Guide to Getting a Colonoscopy

From pre-colonsocopy preperations to what happens during the procedure, this slideshow walks you through the important colorectal cancer screening process.

Doctor preparing for colonoscopy.

A Guide to Colorectal Cancer Screening Tools

You’ve probably heard of a colonoscopy, but did you know there are other ways to screen for colon cancer? Learn more your options.