The viewing room
Walk into any scan informed.
Free, plain-language tools that take the mystery out of medical imaging. Everything here is educational; decisions about your imaging always belong to your doctor and the radiology team.
SCAN
Signature explainerWhich scan is which?X-ray vs CT vs MRI vs ultrasound: pick your situation, see which exam is typically used first and why, then compare all four side by side.DOSE
Dose visualizerRadiation dose in contextPublished exam doses placed next to everyday life: days of natural background radiation and long-haul flights, on one honest scale.PREP
Interactive checklistImaging prep checklistMetal, implants, fasting, full bladder: the tickable prep list for each exam type, saved on your device, printable for the fridge door.Reviewed against public NHS and RadiologyInfo.org (ACR / RSNA) patient guidance. No tool on this site diagnoses, interprets personal images, or replaces your own care team.