Recent content about Tests - Page 2

Tua Saúde
Tests
Page 2

Latest content about Tests

High MCH: What It Means & Common Causes

High MCH means red blood cells contain more hemoglobin than normal, often due to megaloblastic anemia, medication side effects, hypothyroidism, alcohol use disorder, or liver disease. Diagnosis and treatment depend on the underlying cause.

Doctor Says

What level of RDW is dangerous?

An RDW above about 14.5% is generally considered high, but no single value is always dangerous. Learn what level of RDW is dangerous, why context matters, and when medical evaluation may be needed.

Tests

HIDA Scan: Uses, How It's Done & What Results Mean

A HIDA scan tracks bile flow through the liver, gallbladder, bile ducts, and small intestine. Learn why the test is used, how it is performed, what normal and abnormal results may mean, and how high or low gallbladder ejection fractions can relate to inflammation, blockage, bile leaks, or poor emptying.

Doctor Says

What is a normal platelet count?

A normal platelet count ranges from 150,000 to 450,000 platelets per microliter of blood. Platelets help form clots and stop bleeding, while high or low levels may be linked to medications, infections, inflammatory or autoimmune diseases, nutritional deficiencies, or certain blood cancers.

Tests

Apolipoprotein B (ApoB): Function, Normal or High Levels & Causes

Apolipoprotein B is a blood protein linked to harmful cholesterol particles and heart disease risk. High ApoB may occur with high triglycerides, diabetes, obesity or inherited cholesterol problems and may improve with lifestyle changes or medication.

Tests

Intravenous Pyelogram: What It Is & How It's Done

Intravenous pyelogram is an imaging test used to evaluate the kidneys, ureters, bladder, and urethra, helping detect tumors, kidney stones, enlarged prostate, hydronephrosis, and scarring from urinary tract infections.

Tests

Protein Blood Test: Reference Values & What Results Mean

A protein blood test measures total protein, albumin, and globulin levels to help assess kidney or liver disease, dehydration, malnutrition, infections, and other conditions. Results may also guide further testing when blood protein levels are high or low.

Tests

Ferritin Blood Test: Normal Levels, What Results Mean (High & Low)

Ferritin is a protein that stores iron in the body. A ferritin test helps check for high or low iron levels, anemia, inflammation or infection, and results can vary by age and sex.

Tests

Holter Monitor Test: What It Tests, How It'd Done & Results

A holter monitor test records heart rhythm and heart rate over 24 hours or longer to help detect arrhythmias, atrial fibrillation, cardiac ischemia, and causes of symptoms like palpitations, chest pain, dizziness, or shortness of breath.

Tests

Cardiac Catheterization: What It Is, Procedure & Risks

Cardiac catheterization uses a thin tube guided to the heart to diagnose or treat heart problems, such as blocked arteries, arrhythmias, valve disease, and complications after a heart attack.

Tests

MCH Blood Test: Normal Range, Low & High Results Explained

MCH blood test measures hemoglobin in red blood cells, with adult reference ranges of 27–33 pg. High or low MCH may help identify anemia linked to iron deficiency, vitamin B12 or folate deficiency, thyroid disorders, or alcohol use.

Tests

How to Check Blood Sugar: Steps & Reference Values

How to test blood sugar with a fingerstick meter, including step-by-step testing, target reference values, signs of low blood sugar, and ways to help manage glucose levels.

Tests

Squamous Epithelial Cells: What They Are & Causes of High Amounts

Squamous epithelial cells are flat cells found in urine, Pap tests and tissue samples. High or abnormal results may suggest contamination, infection, inflammation or cell changes.

Tests

Urinalysis: What It Checks & Reference Values

Urinalysis is a laboratory test used to assess urine for signs of urinary tract infections, kidney disease, and other health conditions. It evaluates factors such as appearance, pH, glucose, protein, blood, and nitrites.

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.