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Bush__The_Essential_Physics_for_Medical_Imaging - Biomedical ...

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10'" ..!2 ES>-+"'"00 cQ)E+"'0.110 100Exposure time, minutesFIGURE 16-57. <strong>The</strong> potential bioeffects from ultrasound. Safe and potentially harmfulregions are delineated according to ultrasound intensity levels and exposure time. <strong>The</strong>dashed line shows the upper limit of intensities typically encountered in diagnosticimaging applications.American Institute of Ultrasound in Medicine. Official statements and reports. Available at theAlUM Web site: http://www.aium.org.Hedrick WR, Hykes DL, Starchman DE. Ultrasound physics and instrumentation, 3rd ed. St.Louis: Mosby-Year Book, 1995.Kremkau FW Diagnostic ultrasound, principles and instruments, 5th ed. Philadelphia: WB Saunders,1998.Zagzebski JA. <strong>Essential</strong>s of ultrasound physics. St. Louis: Mosby-Year Book, 1996.

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