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Simultaneous Grayscale and Subharmonic Ultrasound Imaging on a Modified Commercial Scanner by J.R. Eisenbrey; J.K. Dave; V.G. Halldorsdottir; D.A. Merton; P. Machado; J.B. Liu; C. Miller; J.M. Gonzalez; S. Park; S. Dianis; C.L. Chalek; K.E. Thomenius; D.B. Brown; V. Navarro; F. Forsberg is a Engineering article available to read on EtoBox.
What is Simultaneous Grayscale and Subharmonic Ultrasound Imaging on a Modified Commercial Scanner about?
Objective: To demonstrate the feasibility of simultaneous dual fundamental grayscale and subharmonic imaging on a modified commercial scanner. Motivation: The ability to generate signals at half the insonation frequency is exclusive to ultrasound contrast agents (UCA). Thus, subharmonic imaging (SHI; transmitting at f 0 and receiving at f 0 /2) provides improved visualization of UCA within the vasculature via suppression of the surrounding tissue echoes. While this capability has proven useful in a variety of clinical applications, the SHI suppression of surrounding tissue landmarks (which are needed for sonographic navigation) also limits it use as a primary imaging modality. In this paper we present results using a commercial ultrasound scanner modified to allow imaging in both grayscale (f 0 = 4.0 MHz) and SHI (f 0 = 2.5 MHz, f 0 /2 = 1.25 MHz) modes in real time. Methods: A Logiq 9 ultrasound scanner (GE Healthcare, Milwaukee, WI) with a 4C curvilinear probe was modified to provide this capability. Four commercially available UCA (Definity, Lantheus Medical Imaging, North Billerica, MA; Optison, GE Healthcare,
Who reads Simultaneous Grayscale and Subharmonic Ultrasound Imaging on a Modified Commercial Scanner?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- J.R. Eisenbrey; J.K. Dave; V.G. Halldorsdottir; D.A. Merton; P. Machado; J.B. Liu; C. Miller; J.M. Gonzalez; S. Park; S. Dianis; C.L. Chalek; K.E. Thomenius; D.B. Brown; V. Navarro; F. Forsberg
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0041-624X)
- Published
- 2011
- Language
- EN
- Field
- Engineering (Physical Sciences)