Abstract Background Oropharyngeal dysphagia or swallowing difficulties are common in acute care and critical care. affecting 47% of hospitalised frail elderly. 50% of acute stroke patients and approximately 62% of critically ill patients who have been intubated and mechanically ventilated for prolonged periods. Complications of dysphagia include aspiration leading to chest infection a... https://allfixelectricales.shop/product-category/membrane-switch/