Diagnostic Tests & Screening
Understanding medical tests, scans, screening programs, and what results mean.
Articles
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Abdominal Aortic Ultrasound: AAA Screening & Aneurysm Detection
Complete guide to abdominal aortic ultrasound screening for aneurysm (AAA). Learn about the procedure, who should be screened, what results mean, and...
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Adult Dental Exam: What to Expect & Why It Matters
Complete guide to adult dental examinations – what happens during a checkup, why regular visits matter, X-rays, gum health assessment, and what to tell your...
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Allergy Testing: Types, Procedures & What to Expect
Complete guide to allergy testing - skin prick tests, blood tests, patch tests and food challenges. Learn how allergy diagnosis works and what to expect...
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Angiography: Vascular Imaging Procedure & What to Expect
Complete guide to angiography - how the procedure works, preparation, risks, and recovery. Learn about coronary, cerebral, and peripheral angiography....
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Bile Acid Malabsorption Test: SeHCAT Scan Procedure
Bile acid malabsorption test (SeHCAT scan) - how it works, preparation, procedure and results. Complete guide to diagnosing bile acid diarrhea....
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Blood Draw Procedure: Preparation, What to Expect & Results
Complete guide to having a blood test. Learn how to prepare, what happens during the blood draw, how to reduce anxiety, and when results are ready....
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Blood Glucose Test: What It Measures & Normal Levels
Blood glucose test (P-Glucose) measures blood sugar levels to diagnose diabetes. Learn about normal ranges, fasting requirements, and what high or low...
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Blood Pressure Measurement: How to Check & Read Results
Learn how to measure blood pressure correctly at home or in clinic. Understand systolic and diastolic readings, normal values, and when to see a doctor....
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Blood Test: Complete Guide to Preparation & What to Expect
Blood test guide: how to prepare, what happens during the procedure, and understanding results. Learn about venous, capillary, and arterial blood tests....
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Blood Test: Complete Guide to Preparation and Procedure
Complete guide to blood tests - preparation, procedure, types of blood draws (venous, capillary, arterial), fasting requirements, and when to expect...
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Blood Test: Types, Results & What They Mean
Complete guide to blood tests - understand different types of blood tests, how they work, what results mean, and when you need them. Evidence-based...
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Blood Tests in Children: Types, Preparation & What to Expect
Complete guide to blood tests in children - capillary, venous, and arterial samples. Learn how to prepare your child, reduce anxiety, and what to expect...
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Bone Density Scan (DEXA): Osteoporosis Test & Results
Bone density scan (DEXA/DXA) measures bone strength to diagnose osteoporosis and fracture risk. Learn about preparation, procedure, T-scores, and what...
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Bowel Cancer Home Test Kit: FIT Stool Sample Guide
Complete guide to bowel cancer home test kits. Learn how to collect a stool sample for FIT test, understand your results, and when follow-up colonoscopy is...
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Breast Self-Exam: How to Check Your Breasts for Lumps
Learn how to perform a breast self-examination step by step. Discover what changes to look for, when to see a doctor, and why monthly breast checks are...
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Bronchoscopy: Procedure, Preparation & What to Expect
Bronchoscopy procedure explained: what to expect, preparation, risks and recovery. Learn about flexible and rigid bronchoscopy for diagnosing lung...
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Cancer Screening: Types, Benefits & Guidelines
Cancer screening tests detect cancer early when treatment is most effective. Learn about mammograms, colonoscopy, cervical screening, and PSA tests....
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Chest X-Ray: What It Shows, Procedure & Results
Chest X-ray explained: what it shows, how the procedure works, preparation tips, and how to understand results. Complete guide to lung X-ray imaging with...
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Children's Dental Exam: What to Expect & How to Prepare
Complete guide to children's dental examinations – what happens during the visit, how to prepare your child, X-rays, and when to start. Evidence-based...
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Chlamydia Test: How to Get Tested for Chlamydia
Chlamydia testing explained: home test kits, clinic testing, when to test, and what results mean. Learn about urine tests, swab tests, and free testing...
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Colonoscopy: Procedure, Preparation & What to Expect
Complete guide to colonoscopy - bowel preparation, what happens during the procedure, recovery and results. Learn about polyp removal and when to seek care....
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Colorectal Cancer Screening: FIT Test & Early Detection
Colorectal cancer screening with fecal immunochemical test (FIT) detects hidden blood in stool. Learn how screening works, who should be tested, and what...
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Colorectal Cancer Screening: FIT Test & Stool Sample Guide
Learn about colorectal cancer screening with FIT test (fecal immunochemical test). How to collect stool samples, what results mean, and when to get...
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Colposcopy: Cervix Examination Procedure Guide
Colposcopy is a cervix examination using a special microscope to detect HPV-related cell changes. Learn about preparation, procedure, results, and when to...
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Contrast Dye: Complete Guide to CT & MRI Contrast Media
Contrast dye for CT scans, MRI and X-rays - what to expect, preparation, side effects and safety. Learn about iodinated and gadolinium contrast media from...
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Contrast Media: CT Scan and MRI Dye Injection Guide
Complete guide to contrast media for CT scans, MRI and X-rays. Learn about preparation, side effects, allergic reactions and what to expect during imaging...
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Coronary Angiography: Procedure, Risks & What to Expect
Coronary angiography (cardiac catheterization) - complete guide to the procedure, preparation, risks, and recovery. Learn what to expect during this...
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Creatinine Blood Test: What It Measures & Normal Levels
Creatinine blood test measures kidney function. Learn about normal creatinine levels, eGFR, high and low values, and what your results mean. Evidence-based...
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CRP Blood Test: What It Measures & Normal Levels
CRP blood test explained - what C-reactive protein measures, normal ranges, high CRP causes, and when doctors order this inflammation marker test....
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CT Scan: Complete Guide to Procedure, Preparation & Safety
CT scan (computed tomography) explained: how it works, preparation, contrast agents, radiation safety & what to expect. Evidence-based guide reviewed by...
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CT Scan: Procedure, Preparation & What to Expect
CT scan (computed tomography) guide - learn about preparation, procedure, contrast agents, and radiation safety. Evidence-based information from medical...
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Cystometry: Bladder Pressure Test & Urodynamics
Cystometry measures bladder pressure to diagnose urinary problems. Learn about the procedure, preparation, what to expect, and results. Evidence-based guide...
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Cystoscopy: Bladder Examination Procedure & What to Expect
Cystoscopy examination of the bladder and urethra - complete guide to preparation, procedure, recovery and results. Learn what to expect during this...
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Dementia Diagnosis: Memory Tests & Cognitive Assessment
Complete guide to dementia diagnosis and assessment. Learn about cognitive tests, memory evaluation, brain scans, and what to expect during a dementia...
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Dental CBCT Scan: 3D Imaging for Teeth and Jaw
CBCT dental scan (Cone Beam CT) provides detailed 3D images of teeth, jaw and surrounding structures. Learn about the procedure, radiation safety, uses for...
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Dental Examination: What to Expect at Your Checkup
Complete guide to dental examinations – what happens during a dental checkup, X-rays, oral health assessment, and when to see a dentist. Evidence-based...
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Dental X-Ray: Types, Safety and What to Expect
Complete guide to dental X-rays – types of dental radiographs, radiation safety, procedure steps, and when you need them. Evidence-based information from...
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Diabetes Self-Test: Check Your Risk for Type 2 Diabetes
Learn how to test yourself for diabetes risk at home. Understand blood glucose testing, HbA1c, risk factors, and early warning signs. Evidence-based guide...
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ECG Test: How It Works, What It Shows & Results
Complete guide to ECG (electrocardiogram) test - how it's done, what it detects, and how to understand results. Learn about heart rhythm, arrhythmias, and...
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EEG Test: Brain Wave Monitoring & Electroencephalography
EEG test explained – how electroencephalography measures brain activity. Learn about routine EEG, sleep EEG, ambulatory monitoring, and what to expect....
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ERCP Procedure: Bile Duct Treatment & Diagnosis
ERCP (Endoscopic Retrograde Cholangiopancreatography) - comprehensive guide to bile duct examination and treatment. Learn about gallstone removal, stent...
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Esophageal Manometry and pH Monitoring: Complete Guide
Esophageal manometry and pH monitoring tests explained. Learn about preparation, procedure, what to expect, and results interpretation. Evidence-based guide...
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Exercise Stress Test: What to Expect & How It Works
Exercise stress test (cardiac stress test) - complete guide on what happens, how to prepare, test results interpretation, and what abnormal results mean....
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Eye Exam: Types, Tests & What to Expect
Complete guide to eye exams and vision tests. Learn about eye examination types, preparation, what happens during an eye test, and when to see an...
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Fecal Occult Blood Test (FIT): Detect Hidden Blood in Stool
Fecal occult blood test (FIT/FOBT) detects hidden blood in stool for colorectal cancer screening. Learn about the procedure, preparation, results...
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FIT Test for Bowel Cancer: Complete Screening Guide
FIT test (fecal immunochemical test) for bowel cancer screening - how to collect your stool sample, what results mean, and who should be tested. Early...
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Gastroscopy: Procedure, Preparation & What to Expect
Gastroscopy (upper endoscopy) explained - complete guide to the procedure, how to prepare, what happens during examination, and recovery. Evidence-based...
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General Condition Assessment: How Doctors Evaluate Illness Severity
What does 'general condition' mean in medical terms? Learn how healthcare providers assess illness severity, warning signs of serious illness, and when to...
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Genetic Testing: Types, Process & Results Explained
Comprehensive guide to genetic testing - learn about DNA tests, hereditary disease screening, how genetic tests work, what results mean, and when testing is...
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Glucose Tolerance Test: Procedure, Results & Preparation
Glucose tolerance test (OGTT) - complete guide to preparation, procedure, and understanding your results. Learn how this test diagnoses diabetes and...
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HbA1c Test: Complete Guide to Long-Term Blood Sugar Monitoring
HbA1c blood test measures average blood sugar over 2-3 months. Learn normal ranges, diabetes diagnosis, test procedure, and how to interpret results....
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Hearing Test: Types, Procedures & Results Explained
Complete guide to hearing tests and audiometry. Learn about types of hearing tests, what to expect during the procedure, how to interpret results, and when...
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Heart Failure Self-Test: Symptoms Checklist & Risk Assessment
Free heart failure self-assessment test to evaluate your symptoms. Check if shortness of breath, fatigue, and swelling could indicate heart failure....
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Hemoglobin Blood Test: Normal Levels, Results & Meaning
Hemoglobin (Hb) blood test explained - what it measures, normal ranges for men, women and children, low and high values, causes of anemia. Evidence-based...
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HPV Cervical Screening Test: Detecting HPV & Cell Changes
HPV cervical screening test detects HPV infection and cell changes in the cervix. Learn about Pap smear vs HPV test, self-sampling, when to get tested, and...
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HPV Self-Sampling: At-Home Test for Cervical Cancer Prevention
HPV self-sampling test at home – how to collect the sample, what to expect, and understanding your results. Evidence-based guide on at-home HPV testing for...
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HPV Self-Test: Complete Home Testing Guide
Learn how to perform an HPV self-test at home for cervical cancer screening. Step-by-step instructions, when to test, and understanding your results....
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HPV Test and Cervical Screening: Pap Smear Guide
HPV testing and cervical cancer screening explained. Learn about Pap smears, HPV tests, abnormal results, and when to get screened. Evidence-based guide...
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HPV Test Results: Understanding Your Cervical Screening
HPV test results explained – what positive, negative and abnormal results mean. Learn about cervical screening, cell changes, and next steps. Evidence-based...
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Lumbar Puncture (Spinal Tap): Procedure, Risks & Recovery
Lumbar puncture (spinal tap) explained: procedure, preparation, what to expect, potential complications, and recovery. Evidence-based guide from specialist...
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Mammogram for Breast Cancer Screening: Complete Guide
Mammography screening for breast cancer detection - who should get screened, what to expect during the procedure, and how mammograms save lives....
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Mammography Screening: Early Breast Cancer Detection
Mammography screening for breast cancer detection – who should be screened, what to expect during the procedure, and understanding your results....
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Mammography Screening: Early Detection of Breast Cancer
Mammography screening for breast cancer – what to expect, who should get screened, and how early detection saves lives. Evidence-based guide on breast...
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Mammography: Breast Cancer Screening & What to Expect
Mammography explained: how breast X-ray screening works, what to expect during the exam, preparation tips, and when results are available. Evidence-based...
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MCUG Test for Children: Bladder and Urinary Tract X-ray
MCUG (micturating cystourethrogram) for children - complete guide to bladder, urethra and ureter x-ray. Learn about preparation, procedure, and what to...
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Medical Imaging: X-Ray, CT, MRI & Ultrasound Types
Complete guide to medical imaging procedures including X-ray, CT scan, MRI, ultrasound, and PET scan. Learn about preparation, safety, radiation risks, and...
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Medical Tests and Measurements: Complete Guide to Diagnostics
Medical tests and measurements explained - blood tests, imaging, vital signs and diagnostic procedures. Learn how tests work, what results mean, and how to...
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Medical Tests: Complete Guide to Diagnostic Procedures
Comprehensive guide to medical tests and diagnostic procedures. Learn about blood tests, imaging studies, biopsies, and how to prepare for medical...
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Medical Tests: Types, Preparation & What to Expect
Complete guide to medical tests and examinations. Learn about blood tests, imaging scans, biopsies and how to prepare. Evidence-based information from...
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MRI Scan: How It Works, What to Expect & Preparation
Complete guide to MRI scans (magnetic resonance imaging). Learn how MRI works, preparation tips, what happens during the procedure, and when results arrive....
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Neuropsychiatric Assessment: ADHD & Autism Evaluation Guide
Complete guide to neuropsychiatric assessment for ADHD, autism, and other neurodevelopmental conditions. Learn what to expect, how diagnosis works, and...
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PET Scan: Complete Guide to Procedure & Results
What is a PET scan? Learn about the procedure, preparation, what to expect, and how results are interpreted. Evidence-based guide from specialist physicians...
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Pituitary Gland Test: How Hormone Levels Are Measured
Pituitary gland testing explained - blood tests, stimulation tests and imaging for hormone imbalances. Learn about prolactin, TSH, ACTH, growth hormone...
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Potassium Blood Test: Normal Levels, Results & Meaning
Potassium blood test explained - understand normal levels (3.5-5.0 mmol/L), what high or low potassium means, and when you need testing. Evidence-based...
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Preparing Children for X-Rays: Complete Parent Guide
How to prepare your child for X-ray and imaging tests. Age-appropriate tips, what to expect, sedation options, and radiation safety. Evidence-based guide...
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PSA Blood Test: Prostate Cancer Screening Guide
PSA blood test explained: what it measures, normal levels by age, when to get tested, and how results are interpreted. Evidence-based guide for prostate...
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Pulmonary Function Test: Spirometry & Lung Capacity Tests
Pulmonary function tests (PFTs) measure how well your lungs work. Learn about spirometry, PEF measurement, preparation, and what results mean....
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Rectoscopy: Procedure, Preparation & What to Expect
Rectoscopy examination explained - what happens during the procedure, how to prepare, what it feels like, and when you get results. Evidence-based guide...
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Scintigraphy Scan: Nuclear Imaging Procedure Guide
Scintigraphy (nuclear medicine scan) explained - how the procedure works, what to expect, preparation tips, and safety information. Evidence-based guide...
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Self-Examination Tests: Home Health Checks You Can Do
Learn how to perform self-examinations at home: breast self-exam, skin checks, testicular exams, pulse measurement, and home health tests. Step-by-step...
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Semen Analysis: Sperm Count Test and Male Fertility Testing
Semen analysis test explained - what to expect, how to prepare, and understanding results. Learn about sperm count, motility, morphology, and male fertility...
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Sleep Apnea Test: Home Sleep Study & Diagnosis Guide
Sleep apnea test at home - complete guide to nocturnal breathing monitoring for diagnosing sleep apnea. Learn how home sleep studies work, preparation tips,...
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Sodium Blood Test: Normal Levels, High & Low Results
Sodium blood test explained: what it measures, normal sodium levels (135-145 mmol/L), causes of high and low sodium, and when you need this test....
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Testicular Self-Exam: How to Check for Lumps & Cancer Signs
Learn how to perform a testicular self-examination to detect testicular cancer early. Step-by-step guide with expert instructions on what to feel for, when...
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TSH Blood Test: Thyroid Function Testing Guide
TSH blood test measures thyroid function. Learn about normal TSH levels, what high and low results mean, when to test, and how TSH relates to hypothyroidism...
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Ultrasound Scan: How It Works, Types & What to Expect
Complete guide to ultrasound examinations - how ultrasound imaging works, types of scans, preparation, and what to expect. Safe, radiation-free diagnostic...
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Urine and Stool Tests: Complete Guide to Lab Analysis
Comprehensive guide to urine tests (urinalysis) and stool tests. Learn about sample collection, what results mean, and when these diagnostic tests are...
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Urine Sample Test: How to Collect & What Results Mean
Complete guide to urine sample collection and testing. Learn proper technique for clean-catch samples, what urine tests detect, and how to prepare....
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Urine Test (Urinalysis): Complete Guide to Types & Results
Complete guide to urine tests and urinalysis. Learn about dipstick tests, urine cultures, how to collect samples, and what results mean. Evidence-based...
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X-Ray Imaging: Complete Guide to Medical Scans & Procedures
X-ray and medical imaging guide - types of scans, preparation, radiation safety, and what to expect. Learn about CT, MRI, ultrasound, PET scans and contrast...
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X-Ray Safety: Radiation Risks and Protection Guide
Is X-ray safe? Learn about radiation risks from X-rays, safety during pregnancy, children's X-rays, and how medical imaging protects patients....
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X-Ray: Complete Guide to Radiography Imaging
X-ray imaging explained: preparation, procedure, safety, and what to expect. Learn how radiography works, radiation exposure facts, and when X-rays are...