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What Is an Angiogram of the Brain? Purpose & Risks
A brain angiogram gives doctors a detailed look at blood vessels in the brain to spot aneurysms, blockages, and other conditions. Here’s what to expect.
How Often Does Dexcom G7 Check Blood Sugar?
The Dexcom G7 checks blood sugar every 5 minutes, but there’s more to know about how it works, its accuracy, and what happens between readings.
How to Measure for TED Hose: Knee-High & Thigh-High
Learn how to measure your legs correctly for knee-high and thigh-high TED hose so you get a safe, comfortable fit.
How Early Can Pregmate Detect Pregnancy?
Pregmate can detect pregnancy as early as 6 days before a missed period, but accuracy improves closer to your expected period date.
What Is a Color Test? Vision, Drug, and Medical Uses
Color tests serve many purposes, from detecting colorblindness with plate tests to identifying drugs or checking urine health with dipsticks.
What Does a Gastroscopy Look For: Conditions Detected
Gastroscopy can detect ulcers, acid reflux damage, H. pylori, celiac disease, and early signs of cancer in the upper digestive tract.
What Does Specimen Adequacy Mean for Your Results?
Learn what specimen adequacy means, why labs reject samples, and how it affects your test results—plus what you can do to help ensure a valid sample.
What Is Breast Thermography and How Does It Work?
Breast thermography uses heat patterns to scan breast tissue. Learn how it works, how accurate it is, and how it compares to mammography.
What Is a Pressure Test and How Does It Work?
Pressure tests check systems for leaks and structural integrity. Learn how hydrostatic and pneumatic methods work, where they’re used, and what determines a pass.
What Does a Phlebotomist Do? Duties and Training
Phlebotomists do more than draw blood. Learn what their daily work involves, how they train, and where they typically find jobs.
Will an MRI Show a Hernia? Accuracy and Limits
MRI can detect most hernia types, but it’s not always the first choice. Learn when it’s useful, what it can miss, and how it compares to other imaging.
What Is Hydration Testing and How Does It Work?
Hydration is harder to measure than you’d think. Here’s how urine, blood, and newer wearable tests actually work to assess your body’s fluid balance.
What Is a Digital Mammogram and How Does It Work?
Digital mammograms use X-rays and computer imaging to detect breast cancer early. Learn how they work, what your results mean, and when to get screened.
What Is a Functional Analysis and How Does It Work?
Functional analysis helps identify why challenging behaviors occur by testing specific conditions. Learn how it works and what sets it apart from other assessments.