This section includes articles about common investigations used to diagnose medical problems. It includes information on CT scans and MRI scans.

BARIUM ENEMA
A barium enema is often used to diagnose bowel problems such as diverticular disease and polyps. This article explains the procedure and what preparation is required.

CT SCAN
Computed tomography (CT scanning) is used for scanning most parts of the body. This article explains what to do before the scan and what happens during the procedure.

EBCT SCAN
Electron Beam CT scans can be used to give a 3D image of the heart and lungs. It is an excellent screening tool to pick up early heart disease and lung cancer.

LUNG CANCER SCREENING
This article looks at the possible role of CT scanning in the early detection of lung cancer.

MRI SCAN (MAGNETIC RESONANCE IMAGING)
MRI scanning is the most advanced diagnostic technique. This article outlines what safety precautions are required and how the scan is performed.

ULTRASOUND SCANNING
Ultrasound scanning is a common diagnostic technique. It is often used during pregnancy and to diagnose medical problems. This article outlines how the scan is performed and what preparation is required.