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Updated: Sep 3, 2026

Focused Assessment with Sonography for Trauma (FAST) Exam: Image Acquisition
Published on: September 22, 2023
Abstract:
With meticulous preparation of the patient and with careful technique, the soft tissues of the pelvis are identifiable in most cases. Search should be made for the traces of abnormal pelvic structures on plain-film studies. Once the normal is recognized, any variations are easily identified. The fundamental differences between various radiologic densities-air, fat, fluid, muscle, calcium, bone and metal-should be observed. Special procedures can be used to enhance the contrasts after adequate evaluation of the simplest and, on many occasions, the invaluable, plain-film study of the soft tissues of the pelvis.
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