Recent content about Tests - Page 3

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Latest content about Tests

RDW Blood Test: What High & Low Results Mean (+ Normal Range)

Learn what a high or low RDW blood test result means, the normal range (11.5–14.5%), and which conditions cause abnormal levels. Reviewed by our medical team.

Tests

Low MCH: What It Means, Causes, Normal Range & Treatment

Low MCH means red blood cells have less hemoglobin than normal. Learn what low MCH may indicate, including iron deficiency anemia, thalassemia and chronic disease, plus ranges, test results and treatment options.

Tests

C-Reactive Protein (CRP): What Levels Mean

C-reactive protein (CRP) is a liver-made protein that rises with inflammation or infection. High or low CRP levels may help assess infections, chronic disease, and heart disease risk.

Tests

Home Pregnancy Test: How & When to Take One

A home pregnancy test checks urine for hCG, a hormone that rises in early pregnancy. Results are most reliable after a missed period and may be positive, negative, false negative, or false positive depending on timing and use.

Tests

SPECT Scan: What It Is & How It Works

SPECT brain imaging helps assess blood flow and brain function, supporting the diagnosis or monitoring of neurological conditions like dementia, epilepsy, stroke, and Parkinson’s disease.

Tests

Red Blood Cells: Normal Range & What Results Mean

Red blood cells carry oxygen, help remove carbon dioxide, and support blood pH balance. High or low RBC levels may be linked to anemia, bleeding, nutrient deficiencies, kidney disease, or other conditions.

Tests

MCHC Blood Test: Reference Values & What Results Mean

The MCHC blood test measures hemoglobin concentration in red blood cells. High or low MCHC levels may be linked to anemia, thyroid changes, medication interactions, or excessive alcohol intake.

Tests

Reticulocyte Test: How It’s Done & What Results Mean

Reticulocyte testing measures young red blood cells to help evaluate bone marrow function and possible causes of anemia, including hemolytic anemia and iron deficiency anemia.

Tests

Blood Tests for Cancer: 13 Types & What They Show

Blood tests for cancer may check tumor markers like AFP, PSA, CA 125, and CEA, which can help investigate cancer and monitor treatment response, but results should be confirmed with imaging or other diagnostic tests.

Doctor Says

When should you get a colonoscopy?

Knowing when should you get a colonoscopy depends on age, risk, symptoms, and past results. Screening often starts at 45 for average-risk adults and may be needed earlier with family history, polyps, or bowel disease.

Tests

CEA Blood Test: What It Is & What Results Mean

CEA blood test measures carcinoembryonic antigen levels to help monitor colorectal and thyroid cancer treatment and detect recurrence. High CEA may also occur with conditions like gastritis, COPD, or diabetes, and does not always indicate cancer.

Tests

PET Scan: What It’s For & How It’s Done

Pet scan is an imaging test that uses radioactive tracers to evaluate cancer, metastases, treatment response, neurological conditions, and heart blood flow.

Tests

Monocytes: What They Are & Normal Levels

Monocytes are white blood cells that help fight infections. High or low levels on a CBC may indicate immune changes, infections, autoimmune disease, leukemia or bone marrow problems.

Tests

Hct Blood Test: What It Is & What Results Mean

Hct blood test measures hematocrit, the percentage of red blood cells in blood, helping assess anemia, dehydration, bleeding, nutrient deficiencies, lung disease and other conditions.

Tests

Breast Ultrasound: When It's Done & What to Expect

Breast ultrasound helps evaluate breast lumps, cysts, dense breast tissue, implants, and inflammatory changes, and may be used to guide biopsy or complement mammogram findings.