Emergency medicine clinics of North America
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Point-of-care ultrasound may be used to assist in the diagnosis of ocular complaints in the emergency department. With the use of a linear probe, the emergency physician can view anterior and posterior chamber structures of the patient's eye and evaluate for signs of pathology.
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With the growing use of point-of-care ultrasound (POCUS) in various clinical settings, it is essential for users of ultrasound to have a thorough understanding of the basics of ultrasound physics, including sound wave properties, its interaction with various tissues, common artifacts, and knobology. The authors introduce and discuss these concepts in this article, with a focus on clinical implications.
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This article reviews the use of point-of-care ultrasound (POCUS) for evaluating the aorta from anatomy and image acquisition to the diagnosis of aortic pathology, including aneurysms and dissection. Ruptured aortic aneurysm and aortic dissection are associated with high mortality and often experience a delay in time to diagnosis. Traditionally diagnosis was made through computed tomography which takes time and removes the patient from the emergency department. Incorporating POCUS into the evaluation of patients with suspected aortic pathology allows for rapid, accurate diagnosis and earlier definitive treatment.
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Point-of-care ultrasound may be used to assist in the diagnosis of skin, soft tissue, and musculoskeletal concerns in the emergency department. Frequently, linear or curvilinear probes are used to perform these studies and ultrasound may be used to assist in common emergency department procedures related to these conditions.
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The management of patients in shock or arrest is a critical aspect of emergency medicine and critical care. Rapid and accurate assessment is paramount in determining the underlying causes and initiating timely interventions. This article provides a summary of essential ultrasound protocols for the critically ill patient including the extended focused assessment with sonography for trauma (EFAST), rapid ultrasound for shock and hypotension (RUSH), and sonography in hypotension and cardiac arrest in the emergency department (SHoC-ED).