Computed Tomography (CT)

A CT (Computed Tomography) scan is performed using an advanced X-ray technique that uses X-ray and computer technology to obtain cross-sectional images of the body, giving detailed information for diagnosis. CT scan images are able to provide more detailed images than plain X-rays. You will be asked to lie down on the CT scan table. During the CT procedure, the CT scan table will move in and out of the scanner several times to capture images of your body.

Common uses of CT Scan

Study of the head and neck, chest, abdomen and pelvis as well as the skeleton.
Diagnosis of cancers, such as lung, liver and pancreatic cancers; to confirm or exclude the presence of tumour, evaluate its size and location.
Identification of injuries to internal organs in case of trauma.
A significant role in the detection and diagnosis of cardio-vascular diseases.

Preparations for CT Scan

4 hrs fasting is required for CT Enterography and CT Colonography
A contrast medium may be administered to highlight relevant areas. Depending on the region to be scanned, you may be given oral contrast or intravenous contrast as ordered by your doctor.
If you are on a diabetic medication called Metformin (Glucophage), please do not take it on the day of scan. Resume Metformin (Glucophage) 48 hours after your CT procedure.
Inform the radiographer if you suffer from diabetes, mellitus, asthma, heart condition, kidney problems and any drug allergies.

Resources

Preparation For CT Abdomen

Preparation For CT Angiogram

Resources