Tests Page 1,134
More in Tests
What Is a 3D X-Ray and How Does It Work?
Learn how 3D imaging provides a complete anatomical model, moving beyond flat x-rays to allow for more precise and effective medical and dental planning.
What Are Stomatocytes and What Do They Mean?
Explores the clinical significance of stomatocytes, an abnormal red blood cell shape. Learn what this finding means and its link to various health factors.
What Are Lupus Cells and Are They Still Used for Diagnosis?
Understand the lupus cell, a foundational discovery in SLE diagnostics, and learn why its clinical relevance has shifted with more advanced blood tests.
What a Subretinal Hemorrhage Looks Like on an OCT Scan
Discover how OCT imaging provides a precise, layered view of bleeding under the retina, helping clinicians assess retinal health and guide patient care.
What Device Indicates the Speed of Blood Circulation?
Explore how high-frequency sound waves are used to non-invasively calculate blood flow velocity, a key indicator for diagnosing various vascular conditions.
What Does a Sickle Cell Blood Smear Show?
A blood smear offers a microscopic look at how sickle cell disease reshapes red blood cells and what these changes indicate about a person’s health.
Transperineal vs. Transrectal Biopsy: Which Is Safer?
The path a prostate biopsy needle takes is a critical factor for patient safety. Learn how procedural approaches influence infection risk and diagnostic outcomes.
Prognostic Nutritional Index: What It Is & Why It Matters
Explore the Prognostic Nutritional Index, a clinical score that helps quantify a patient’s nutritional and immune readiness for major medical procedures.
CK5 Positive: What a Test Result Means for You
A CK5 positive finding offers key information about cell identity in a biopsy, helping doctors differentiate between conditions and determine a path forward.
EBV Positive: What Does This Test Result Mean for You?
Most adults test positive for EBV. Learn to interpret the specific antibodies in your lab report to understand if the infection is past or currently active.
What Neuroimaging Studies Reveal About the Brain’s Function
Go beyond the colorful images to understand how neuroimaging visualizes brain anatomy and function, and learn the principles for interpreting what these scans reveal.
What Does a CD56 Positive Test Result Mean?
A CD56 positive result is one piece of a larger diagnostic puzzle. Learn about this cell marker’s function and why its meaning depends on the clinical context.
What Is the P300 ERP and Why Is It Important?
The P300 ERP is a brain signal that reflects cognitive processes like attention. Its measurement provides objective insights into cognitive health and function.
Iliac Crest Bone Marrow Aspiration: What to Expect
Learn about the iliac crest bone marrow aspiration, a procedure that provides key insights into your body’s blood cell production for accurate diagnosis.