volume 25, issue 12, P1519-1529 2006
DOI: 10.7863/jum.2006.25.12.1519
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Abstract: AbstractObjective-The purpose of this study was to identify the pressure threshold for the destruction of Optison (octafluoropropane contrast agent; Amersham Health, Princeton, NJ) using a laboratoryassembled 3.5-MHz pulsed ultrasound system and a clinical diagnostic ultrasound scanner.Methods-A 3.5-MHz focused transducer and a linear array with a center frequency of 6.9 MHz were positioned confocally and at 90° to each other in a tank of deionized water. Suspensions of Optison (5-8 × 10 4 microbubbles/mL) we…

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