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Abstract

Swallowing difficulty is common, especially in the elderly, neurologic disorders, head & neck cancer and etc. It may cause dehydration, weight loss, malnutrition, and aspiration pneumonia. The bedside examination may be important to assess the swallowing difficulty. However, the instrumental assessments such as videofluoroscopic swallowing study, fiberoptic endoscopic examination of swallowing, dynamic CT and manometry are more informative to identify the pathophysiology of dysphagia and are also more helpful to make the therapeutic plans. The unique characteristics of each instrumental assessment of swallowing were reviewed.