CT Scan
Also known as: Computed Tomography, CAT Scan
A CT is like slicing a loaf of bread and looking at every slice. If contrast dye is planned, the team may check your creatinine first and ask about allergies — routine safety steps.
What this test means
CT combines many X-ray images into detailed slices of the body. It is fast and excellent for emergencies — head injury, stroke, chest and abdominal evaluation.
Why it is done
It is done for head injuries, suspected stroke, persistent headaches, complex chest or abdominal problems, and treatment planning.
Understanding your value
Report findings — lesions, nodules, collections — are descriptions, not diagnoses; your doctor matches them with your symptoms and other results.
A normal CT is strongly reassuring for the region scanned.
CT uses more radiation than plain X-rays, so doctors order it when benefit clearly outweighs exposure. Kidney function may be checked before contrast dye.
Always review CT reports with your doctor; bring previous scans for comparison — change over time is often the most useful information.
Frequently Asked Questions
Quick Facts
- TestCT Scan
- Short formsComputed Tomography, CAT Scan
- Sample typeNo sample — detailed X-ray cross-sections, sometimes with contrast dye
- CategoryImaging & Radiology