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FACP. Colegio de médicos de Tarragona Nº 4305520 / fgcapriles@gmail.com

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Cranial Nerve VI Palsy Emergency

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viernes, 22 de julio de 2016

X-ray limitations

AvoidingERrors - By Jesse - July 21, 2016
"Diagnostic errors involving imaging include not ordering appropriate imaging, incorrectly reading imaging, and incorrectly applying the results of diagnostic imaging due to its intrinsic limitations. We can order the right image and correctly read it, but if we don’t consider the inherent test characteristics we can still make a diagnostic error.
This especially applies to X-rays which are simple screening tools with very imperfect sensitivities. Scaphoid fractures, for example, are notorious for being radiographically occult—and we are trained to assess snuffbox tenderness in FOOSH patients and immobilize them even if the X-rays fail to reveal a fracture, because of the poor sensitivity of X-rays.
It’s important to know the limitations of X-rays so we can correctly interpret them in clinical context, and consider better imaging—from Point Of Care UltraSound (POCUS) to CT or MRI. Below is a brief overview of X-ray limitations and considerations for high-risk patients."
xray