Radiology• Updated 21 October 2026
Abdominal Ultrasound
An ultrasound of the tummy to look at the liver, gallbladder, pancreas, kidneys and spleen.
Results: Usually the same day
Quick Summary
Primary Purpose
To investigate tummy pain, abnormal liver tests, gallstones and kidney problems.
What It Measures
Size and appearance of tummy organs.
Preparation
Fast for 6–8 hours so the gallbladder is easier to see.
Overview
Abdominal ultrasound is often the first scan for tummy pain.
It's good for gallstones, fatty liver and kidney swelling.
What It Measures
Liver and gallbladder
Fatty liver, stones.
Kidneys and spleen
Size and blockages.
How It's Performed
- 01
Fasting
Don't eat for several hours before.
- 02
Scan
Gel and probe over the tummy.
- 03
Afterwards
Eat normally.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Ultrasound(opens in a new tab) · MedlinePlus, US National Library of Medicine
- Ultrasound scan(opens in a new tab) · NHS