Why the study?
Does diagnostic ultrasound provide an effective alternative to fluoroscopy for evaluating diaphragmatic motion?
Does diagnostic ultrasound provide an effective alternative to fluoroscopy for evaluating diaphragmatic motion?
Diagnostic ultrasound is a safe and sensitive imaging modality for evaluating diaphragmatic motion without the need for ionizing radiation.
Ultrasound may enable radiation-free diaphragmatic assessment; leaves open prospective validation versus fluoroscopy before practice change.
Movement of the diaphragm can be evaluated with diagnostic ultrasound using B- and M-mode techniques. Ultrasonic scanning is a highly sensitive method of demonstrating generalized or localized abnormalities of diaphragmatic motion and is superior to fluoroscopy in several respects. There is no exposure to ionizing radiations, and a permanent record of the excursion of the diaphragmatic surface is obtained. This method has the additional advantage of providing a two-dimensional display of the upper abdominal quadrant, which may reveal the nature of the underlying disease process.
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Haber et al. (1975) studied this question.
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