Clinical Recognition And Management Of Emergencies In Movement Disorders

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Movement disorders, such as Parkinson’s disease (PD), dystonia, and Huntington’s disease, can occasionally lead to medical emergencies that require recognition and treatment. These emergencies may arise from the natural progression of the disease or complications associated with treatment. In PD, for example, a sudden worsening of motor symptoms—often referred to as “off” periods—can result in severe immobility, leading to falls or even aspiration pneumonia. Additionally, conditions like neuroleptic malignant syndrome, a rare but life-threatening reaction to dopaminergic medications, can manifest with fever, muscle rigidity, and altered mental status, making it crucial for timely diagnosis and intervention. Another emergency in movement disorders is status dystonicus, a severe and sustained dystonic episode that can occur in individuals with dystonia. This condition can lead to muscle breakdown, respiratory compromise, and even rhabdomyolysis, necessitating intensive care. Sudden exacerbations of chorea, such as in Huntington’s disease, can also precipitate emergencies, especially if the movements are so severe that they cause selfinjury and significantly impact the quality of life of patients. These emergencies underscore the importance of having an acute management plan for patients with known movement disorders. Timely intervention in these situations is critical to prevent further complications. Noteworthy, the emergency department physician should first assess life-threatening conditions and be able to provide a detailed phenomenological description of the abnormal movement observed.

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