• Neha Kumar, Mary Colleen Bhalla, Jennifer A Frey, and Alison Southern.
• Department of Emergency Medicine, Summa Akron City Hospital, Akron, OH.
• Am J Emerg Med. 2015 Aug 1;33(8):1109.e3-4.

AbstractHeroin-associated stroke is a rare complication of use. Various proposed mechanisms of heroin-associated ischemic stroke have been proposed, including the following: cardioembolism in the setting of infective endocarditis, hypoxic ischemic brain injury in the setting of hypoxemia and hypotension, and infective arteritis or vasculitis from drug adulterants. A previously healthy 28-year-old woman presented to the emergency department with altered mental status and normal vitals after she was found wandering outside her apartment. During ambulance transport, she endorsed heroin use. The patient was alert but could not recall her name, place, or time. She intermittently responded "I don't know" to questioning and could not perform simple commands. No motor or sensory deficits were apparent other than sluggish pinpoint pupils. There were no signs of trauma other than antecubital track marks. Her laboratory results were unremarkable. Reevaluation at 2 hours after presentation showed persistent confusion and disorientation. A computed tomographic scan of the head was obtained, which showed a large 5.1 × 5-cm intraparenchymal hemorrhage in the left frontal lobe, vasogenic edema, and a 5-mm midline shift. A workup for cardioembolic, vasculitis, and other etiologies for stroke did not reveal an underlying cause. The patient remained confused with significant memory loss throughout her hospital stay and was eventually discharged to a long-term care facility. Drug abuse should be considered a risk factor for stoke in young adults. In patients with persistent neurologic deficits, physicians must be vigilant and order appropriate workup while managing drug overdose.

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