Radiology• Updated 21 October 2026

X-ray

A quick, painless scan that uses a small amount of radiation to take pictures of bones, the chest and other parts of the body.

Results: Usually the same day

Quick Summary

Primary Purpose

To look for broken bones, chest infections, joint changes and other problems.

What It Measures

Pictures of bones and some organs.

Preparation

Remove jewellery and metal. Tell staff if you might be pregnant.

Overview

X-rays pass through the body and are absorbed differently by bone and soft tissue, creating an image.

The radiation dose from most X-rays is small.

What It Measures

Bones

Fractures, arthritis and bone changes.

Chest and tummy

Lungs, heart size, some bowel problems.

How It's Performed

  1. 01

    Positioning

    You'll stand, sit or lie in a position that shows the area clearly.

  2. 02

    Picture

    Hold still for a moment while the image is taken.

  3. 03

    Afterwards

    You can go home straight away.

Sources and further reading

Last updated 21 October 2026. For more detail, see these trusted health organisations.

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