Stroke is a significant cause of mortality and disability in America. Due to differences in the treatment of ischemic and hemorrhagic stroke, imaging must be performed before administration of therapeutic medication. Unfortunately, the current standard imaging methods, namely CT and MRI, require specialized locations and staff, which can induce delays in triage, and therefore, treatment time. Recent work suggests that ultrasound tomography (UST) is capable of imaging in vivo tissue properties and may have potential as a diagnostic tool during stroke treatment which could be performed at the point of injury rather than at a local hospital. In this work, we investigate the feasibility of using UST imaging to image the brain via in silico, in vitro, and ex vivo studies. The results of this work indicate some of the challenges which must be overcome to effectively image in vivo stroke patients.
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