What Is Medical Imaging Technology?
A simple guide to the technologies, physics, people, and processes behind the medical images used in modern healthcare.
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Explore medical imaging conceptsHow Are X-rays Produced?
A simple look at how an X-ray tube produces the radiation used to create medical images.
kVp vs mAs — What’s the Difference?
Understand what kVp and mAs actually control and how they affect an X-ray image.
What Is Radiation Attenuation?
Learn why X-rays lose intensity as they pass through the human body and why this matters in imaging.
How Does CT Create Cross-Sectional Images?
Discover how rotating X-ray beams and computer processing create detailed cross-sectional images.
What Are Hounsfield Units (HU)?
A simple explanation of CT numbers and what they tell us about different tissues.
Why Is Contrast Used in CT?
Understand why contrast helps certain structures and abnormalities become easier to see.
How Does MRI Create an Image?
An easy introduction to how MRI uses magnetic fields and radiofrequency signals to create images.
Why Does an MRI Machine Make So Much Noise?
What causes the loud knocking and buzzing sounds during an MRI examination?
T1 vs T2 MRI — What’s the Difference?
Learn to recognize T1, T2, FLAIR, and fat-suppressed MRI images.
How Does Ultrasound Create an Image?
See how sound waves travel through the body and return information that becomes an ultrasound image.
Why Does Fluid Look Black on Ultrasound?
Understand why simple fluid often appears completely dark on an ultrasound image.
Acoustic Shadowing vs Posterior Enhancement
Two common ultrasound appearances explained with simple and practical examples.
What Is Doppler Ultrasound and How Does It Work?
Learn how Doppler helps us assess blood flow and movement inside the body.
What Is Nuclear Medicine?
An introduction to how radioactive tracers help us study function as well as structure.
What Is Mammography and How Does It Work?
A simple introduction to mammography, breast compression, digital imaging, and the basics of mammographic technique.
How Does Fluoroscopy Show Movement in Real Time?
Understand how continuous X-ray imaging allows us to observe movement inside the body.
What Is DICOM?
Learn about the standard that allows medical images and related information to be stored and shared.
What Is PACS?
Understand how hospitals store, organize, access, and manage medical images digitally.
DICOM vs PACS — What’s the Difference?
DICOM and PACS are often mentioned together. Here’s the simple difference between them.