The purpose of this project is to determine the levels of stress biomarkers associated with severe pain, agitation from intoxication or psychosis, and excited delirium at various levels of the disease in order to compare them to pre-clinical models of law enforcement encounters. We hypothesize that the serum catecholamines and markers of metabolic acidosis will worsen with the duration and severity of agitation among agitated patients and will not worsen among patients with severe pain who are not agitated. Specific Aims * To assess the prevalence of patients undergoing treatment for agitation from any cause requiring restraint or sedation. * To assess the prevalence of excited delirium in the emergency department. * To determine the difference in serum total catecholamines, serum dopamine, serum epinephrine, serum norepinephrine, heart rate, systolic blood pressure, mean arterial pressure, mortality, and disposition among patients with agitation requiring restraint, including excited delirium and patients with severe pain from extremity fractures. * To describe changes in stress biomarkers among patients with changing levels of agitation as determined by the Altered Mental Status scale.
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Change in Altered Mental Status Score
Timeframe: Assessed every five minutes, from enrollment until discharge from the emergency department, an expected average time of 4 hours
Change in Visual Analog Scale Pain Score
Timeframe: Assessed every five minutes, from enrollment until discharge from the emergency department, an expected average time of 4 hours
Change in Serum Total Catecholamines
Timeframe: Assessed every 30 minutes, from enrollment until discharge from the emergency department, an expected average time of 4 hours