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FLUROSCOPY-MAGNIFICATION

Physics

FLUROSCOPY-MAGNIFICATION

1. Magnification is done by focusing the electron beams to cross over nearer the input screen.
2. Magnifies the image and improves resolution but reduces brightness on the output screen due to a reduction in the minification gain.
3. To restore brightness we need to increase the exposure rate (i.e. the patient skin dose).


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REFERENCES

1. Bushberg, J. T. (2012). The essential physics of medical imaging. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins. Find it at Amazon
2. Heggie, J. C., Liddell, N. A., & Maher, K. P. (1997). Applied imaging technology. Melbourne: St. Vincents Hospital.

Ⓒ A. Manickam 2018

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