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Latest content about Tests

Prostate Ultrasound: What It Is & When It's Recommended

Prostate ultrasound is an imaging test that checks the prostate, seminal vesicles, and bladder to help identify prostatitis, benign prostate enlargement, prostate cancer signs, or causes of urinary symptoms.

Tests

Cholangiogram: What It’s For & How It’s Done

Cholangiogram is an imaging test that evaluates the bile ducts, helping detect blockages, gallstones, tumors, or surgical complications. It may be done with contrast, endoscopy, MRI, fluoroscopy, or ultrasound.

Tests

Sonohysterogram: What It's For & How It's Done

Sonohysterogram is an imaging test that helps evaluate the inside of the uterus, identify fibroids or polyps, check for blocked fallopian tubes, and investigate abnormal bleeding, infertility, or recurrent miscarriages.

Tests

BUN Blood Test: What It Is & What Results Mean

BUN blood test: what it measures, normal range, preparation, how it is done, and what high or low BUN levels may mean for kidney and liver function.

Tests

Bilirubin: What High Levels Mean for Your Health

Bilirubin is a liver-produced substance linked to red blood cell breakdown. High bilirubin can cause jaundice, dark urine, and may indicate liver, gallbladder, blood, or medication-related problems.

Tests

Wood's Lamp: How It Works & What Results Mean

Woods lamp is a diagnostic exam used in dermatology to help identify fungal and bacterial infections, pigment changes like vitiligo and melasma, and signs of oily or dry skin based on fluorescence under UV light.

Tests

Audiometry: Types, Testing & Results

Audiometry is a hearing test that measures how well sounds and words are heard and understood. It includes tonal and speech testing, is done in a soundproof booth, and can help identify hearing loss and guide evaluation of possible causes.

Tests

Cytogenetics: What It Is & How It Works

Cytogenetics is a test that analyzes chromosomes to detect changes in their number or structure, helping diagnose genetic disorders, leukemia, lymphoma, and other conditions using blood, tissue, bone marrow, or prenatal samples.

Doctor Says

How do you find out your blood type?

How to find out your blood type usually involves a blood typing test, which may be done during blood donation, prenatal care, before transfusions or transplants, or shortly after birth. Blood type includes A, B, AB, or O and Rh factor, which is important for transfusions and pregnancy.

Doctor Says

What does free fluid in the pelvis mean?

Free fluid in pelvis is a finding that may be normal during ovulation in women of reproductive age, but it can also be associated with pelvic inflammatory disease, ascites, ruptured ectopic pregnancy, abscess, hematoma, or trauma involving the abdominal or pelvic organs.

Tests

Flexible Sigmoidoscopy: What It’s For & How to Prepare

Flexible sigmoidoscopy is a quick test that examines the rectum and lower colon to check for polyps, bleeding, colorectal cancer, and other changes. It may be done without sedation and usually requires only limited bowel prep.

Tests

ESR Blood Test: What It Is & What Results Mean

ESR blood test measures how quickly red blood cells settle to help detect inflammation or infection. It is often used with CRP and CBC to evaluate abnormal results linked to infections, arthritis, pancreatitis, and other inflammatory conditions.

Doctor Says

What is a left anterior fascicular block?

A left anterior fascicular block is a change in the heart’s electrical conduction that may be harmless when isolated. Its significance depends on overall heart function and the presence of underlying heart conditions, which can increase cardiovascular risk.

Tests

Ambulatory Blood Pressure Monitor: Preparation & Instructions

Ambulatory blood pressure monitor testing records blood pressure over 24 hours during daily activities and sleep, helping diagnose hypertension, white coat hypertension, masked hypertension, and assess whether blood pressure treatment is working.

Tests

CA 15-3: Indications, Procedure & Results

CA 15-3 is a tumor marker used to monitor advanced breast cancer treatment response and recurrence. This article explains what the test is for, how it is done, reference values, and how results are interpreted with other exams.