Dysphagia: A condition characterized by swallowing difficulty.
Electromyography (EMG): A diagnostic test to assess the health of the muscles and the neurons controlling the muscles.
Multiple Sclerosis: A progressive, neurodegenerative condition due to damage to the sheaths of nerve cells in the brain and spinal cord. This condition is characterized by muscular numbness, stiffness, dysarthria, blurred vision and fatigue.