Computerized tomography CT

CT uses

A X-ray machine thay a cuties images thay look like slices of a loaf of bread

CT radiation

Ionizing radiation

CT ability

Demonstrate tissue and bone structures

Typical CT scan

30-40 min Anesthia

CT tube

Directs a thin beam of radiation at a series of dectors

Detectors

How much radiation is transmitted to patient

CT computer

Takes info and makes image

Single cross sectional tomographic

Slices are obtained with every movement of scanner

Scanned data

Is then sent to the computer that reconstructs digital image

Advantages

Diagnosis of Dz organs soft tissue bone

Contrast

Ionic or no ionic

Ionic contrast examples

Diatrizole metrizole

Ionic contrast side effects

V anaphylactic reaction renal failure

Ionic contrast contraindications

Dehydrated renal dz diabetes

Nonionic contrast

Lohexol iodixanol side effects are rare