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==Background==
* Conducted Energy Device, Conducted Energy Weapon, Electronic Control Device, Electrical Control Device, and Electronic Control Weapon all refer to same thing
*Commonly referred to as Tasers by lay public
* Purpose of a Conducted Energy Device (CED) is to provide law enforcement officers with broader choices on use of force spectrum
* Used to control combative individuals
* 99.75% of time no significant injury as result of using device per Department of Justice (DOJ) study <ref> Bozeman, W, et al. Safety and Injury Profile of Conducted Energy Weapons Used by Law Enforcement Officers Against Criminal Suspects, Annals of Emerg. Med. 2009. </ref>

===Mechanism of Action===
* Either through direct contact or with fired probes, which penetrate up to 1/2 inch into body a [[electric shock|current]] is delivered which causes neuromuscular interference resulting in temporary [[weakness|paralysis]] for seconds which often results in uncontrolled fall. 
** Electrical current captures skeletal muscle and tends to stay on outside of muscle
** Immediate relief occurs after application of energy ceases.

==Clinical Features==
* Consider underlying reason why CEDs was used i.e. medical crisis, serious physiological distress, [[substance abuse|drug]]/[[alcohol intoxication]], [[altered mental status]], combative individual
*[[Myalgia|Pain]] secondary to induced forceful muscle contracture
*[[laceration|Puncture]] wound and often minor [[burn]] from barbs
* +/- signs/symptoms of [[trauma]] from uncontrolled fall
* No clinically relevant changes in ventilation, acid-base status, electrolyte concentrations, troponin I level or EKG noted <ref> Vilke, GM, Sloane CM, Bouton KD, et al. Physiological Effects of a Conducted Electrical Weapon on Human Subjects. Annals of Emergency Medicine. 2007; 50(5) 569-575. </ref>

==Differential Diagnosis==
*[[Altered mental status]]
*[[Excited delirium]]
*[[Substance abuse]]
*Drug or [[alcohol intoxication]]

==Evaluation==
* Routine history and physical examination
** Consider history of cardiac disease
** Consider history of pacemaker/defibrillator
** Consider drug or alcohol intoxication, psychiatric disturbance, altered mental status
* Look for direct injury from barb and indirect injury from fall
* No need for routine performance of labs, EKGs, or prolonged observation after CED exposure in otherwise awake and alert patient
* More extensive testing and evaluation may be appropriate in individual cases based on history and physical examination i.e. EKG if chest pain, palpitations, or cardiac history

==Management==
* [[Conducted energy device dart removal|Barb removal]] then wound care for small puncture wound and minor burn at barb site

==Disposition==
* Most healthy individuals may be discharged (often to the custody of law enforcement) after barb removal
* Appropriate medical intervention/consultation if barb in vulnerable area such as mouth, eyes, neck, groin

==See Also==
*[[Conducted energy device dart removal]]

==External Links==


==References==
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[[Category:EMS]]
[[Category:Trauma]]