Evaluation in the emergency department (ED) begins with rapid triage, a full set of vital signs, and an assessment of the airway, breathing, and cardiovascular status. Continuous pulse oximetry and electrocardiogram (ECG) monitoring is indicated. Head, neck, or lung involvement or evidence of hypotension or hypoxia are indications for triage to the resuscitation area of the ED. Patients with symptoms only involving an extremity should be placed in an area where they can be frequently assessed, as there is always potential for rapid progression of symptoms.
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