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A helpful tool for identifying and diagnosing disorders of the vocal fold is a video stroboscopy (a specialized diagnostic procedure in which a stroboscopic light is used in conjunction with a laryngoscope to electronically slow down the motion of the vocal folds
in order to identify subtle changes in vibratory patterns that are diagnostically significant). With the use of a camera and video recording system, the results can be viewed many times by the examiner and patient.
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Swallowing Disorders
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Difficulty swallowing can be caused by a number of problems ranging from throat infection to
neurologic disorders, including stroke. Whenever one experiences a sensation of a lump in the
throat or difficulty eating, a swallowing evaluation should be performed. This may include a direct endoscopic examination of the structures involved in swallowing, most commonly referred to as a FEESST (Flexible Endoscopic Evaluation of Swallowing with Sensory Testing).
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FEESST combines an innovative test of airway protection of the throat with an endoscopic swallowing test. The first part of the test assesses sensation in the larynx
in order to elicit an airway protective reflex. Pulses of air are directed at points on the larynx, and the reaction to this stimulus is observed through an endoscopic camera.
The second part of FEESST entails observing how and where the food travels down the patient's throat during swallowing through an endoscopic camera with a real-time, magnified view. The test reveals areas where sensory reactions are impaired, thus enabling physicians to better treat patients with swallowing disorders.
FEESST testing can also be helpful in diagnosing and treating patients with GERD (Gastro-Esophageal Reflux Disease), a chronic disorder whereby acid
from the stomach backs up into the esophagus causing heartburn type symptoms. If gone untreated for an extensive period of time, GERD can contribute to an ulcer
and/or difficulty swallowing.
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