1. CT Scans of the Head
Tim Brown

2. What is a CT Scan? Computed Axial Tomography Scan X-rays
Produces 3D image
2 types
Spiral
Electron Beam

3. Common Problems That Are Examined
Head Injuries
Concussions
Tumors
Strokes
Other Brain Diseases

4. History
In the early 1900’s Alessandro Vallebona proposed the single-slice method.
In 1967 Sir Hounsfield thought up the first entire scanner.
In 1971 the first commercial scanner was brought into use.
Nobel Prize

5. Current State Improvements in Fixed/Portable Cone Beam CT Scans Speed
Slice count
Image quality
Fixed/Portable
Cone Beam CT Scans

6. Limitations
Radiation
Clarity
Speed
Size

7. Future Concentrated Beams Only scans the portion of the body needed
Less radiation
Increased coverage
Higher resolution
Only scans the portion of the body needed

8. Works Cited
"CT - Head." Head CT (Computed Tomography, CAT Scan). N.p., 15 May Web. 01 Oct < >.
"CT Scans." Wikipedia. Wikimedia Foundation, 26 Sept Web. 01 Oct <
Hofer, Matthias. CT Teaching Manual: A Systematic Approach to CT Reading. 3rd ed. New York, NY: Georg Thieme Verlag, Print.
Holmes, Erskine J. Interpretation of Emergency Head CT. New York, NY: Cambridge UP, Google Books. Web. 01 Oct <