Revue des maladies respiratoires
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Barium sulfate (BS) is chosen to explore swallowing disorders because of its reduced osmolality allowing no adverse reaction if aspirated in the bronchial tree. ⋯ Whereas BS aspiration is generally well tolerated, serious adverse event as a DAD would exceptionally occurs. Thus, a close watch over respiratory symptoms has to be kept after BS administration, especially in debilitated and elderly patients.