Auricular VNS Following Intracerebral Hemorrhage

Inclusion Criteria: * Adult patients who present with a spontaneous supratentorial intracerebral hemorrhage (ICH) to Barnes Jewish Hospital Exclusion Criteria: * Patients \< 18 years old * Patients with a presumed traumatic etiology for their ICH, infratentorial location, ICH volume \> 60 ml or \< 10 ml, at risk of imminent death (e.g. Glasgow Coma Scale, GCS of 3 or one or more pupils unreactive), surgical intervention imminently planned (not including ventriculostomy) * Patients undergoing active cancer therapy * Patients with sustained bradycardia on arrival with a heart rate \< 50 beats per minute. * Patients who cannot be enrolled within 48 hours of the initial bleed.