Abstract
Ultrasound physics and the concept of sound beam intensity measurement can be difficult areas for students to comprehend. This article discusses intensity measurements to provide a better working knowledge of temporal and spatial variations and their ensuing intensity combinations.
References
1.
1.
Bushong SC
,
Archer BR
. Diagnostic Ultrasound, Physics, Biology and Instrumentation . St. Louis, MO : Mosby-Year Book , 1991 .
2.
2.
Kremkau FW
. Diagnostic Ultrasound: Principles, Instruments and Exercises . Third Edition . Philadelphia : WB Saunders , 1989 .
3.
3.
Hykes DL
,
Hedrick WR
,
Strchman DE
. Ultrasound Physics and Instrumentation . Second Edition . St. Louis, MO : Mosby Year Book , 1992 .
4.
4.
Hedrick WR
,
Hykes DL
. Biological effects of ultrasound, I: specification of intensity . JDMS
1991 ;7 :188 -193 .
5.
5.
Kremkau FW
. Bioeffects and safety, I: heat . JDMS
1993 ;9 : 90 -92 .
6.
6.
Kremkau FW
. Bioeffects and safety, II: cavitation . JDMS
1993 ;9 :200 -201 .
7.
7.
Kremkau FW
. Bioeffects and safety, III: output indices and bioeffects statement . JDMS
1993 ;9 :336 -338 .