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Journal of Diagnostic Medical Sonography
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Biological Effects of Ultrasound

I. Specification of Intensity

W. R. Hedrick, PhD

Radiology Department, Aultman Hospital, 2600 Sixth Street, S.W., Canton, OH 44710; Radiology Department, St. Joseph Hospital and Health Center, Lorain, Ohio; Northeastern Ohio Universities College of Medicine, Rootstown, Ohio.

D. L. Hykes, MS

Radiology Department, Aultman Hospital, Canton, Ohio; Radiology Department, St. Joseph Hospital and Health Center, Lorain, Ohio; Northeastern Ohio Universities College of Medicine, Rootstown, Ohio.

To correlate potential bioeffects with exposure to ultrasound, a quantitative characterization of the ultrasound beam is essential. As a first step in this process various intensity descriptors have been developed. These intensity descriptors are defined and compared. The intensity ranges of different types of diagnostic instruments are presented.

Key Words: intensity • intensity descriptors • equipment intensity levels

Journal of Diagnostic Medical Sonography, Vol. 7, No. 4, 188-193 (1991)
DOI: 10.1177/875647939100700402
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