In a definition essay, you explain the meaning of a certain term by giving a detailed description of it, and support your definition with clear examples or facts. Such explanations are needed if a term is special, abstract, disputed or does not have a common meaning.
Dysphagia may be caused by traumatic injuries to the head, neck, or chest and result from accidents or iatrogenic causes. In the latter category, both planned and inadvertent injuries to cranial nerves are common. Many accident victims have involvement of multiple sites.
Within 3 days of stroke, 42â67% of patients present with oropharyngeal dysphagiaâmaking stroke the leading cause of dysphagia. Among these patients, 50% aspirate and one-third develop pneumonia that requires treatment [4]. The severity of the dysphagia tends to be associated with the severity of the stroke. Dysphagia screening in stroke patients is critical in order to prevent adverse outcomes related to aspiration and inadequate hydration/nutrition [5]. Up to 50% of Parkinson patients show some symptoms consistent with oropharyngeal dysphagia, and up to 95% are found to have abnormalities on video esophagography [6,7].