Neurostimulation for the Relief of Acute Bronchoconstriction

Inclusion Criteria: * Male / Female, Age 18-65 * Subject declares a medical history of asthma or sufficient prior clinical experience/records exists to confirm the subject has received a diagnosis of bronchoconstriction * Completed \>1 hrs of conventional breathing and related medication treatments without improvement in FEV1 to \> 70% predicted * Able to give Informed Consent Exclusion Criteria: * Scaring / abscess other problems with neck at electrode placement site * Known or suspected carotid artery disease (i.e. bruits or history of stenosis) * Suspected or confirmed coagulopathy * Suspected or confirmed sepsis * Irregular heart rate, rhythm * Receiving pressors to maintain blood pressure * Presently implanted electrical and/or neurostimulator device, including but not limited to cardiac pacemaker, vagal neurostimulator, deep brain stimulator, spinal stimulator, bone growth stimulator, or cochlear implant * Allergy to local anesthetics used for placement of the lead * History of lung cancer, emphysema, chronic obstructive pulmonary disease, or other comorbidity that might otherwise compromise the expected air flow volumes in the lungs * At risk of imminent respiratory collapse * Lung Function: FEV1 \< 40% predicted * Signs and Symptoms: Extreme symptoms at rest, accessory muscle use, chest retraction * Alert State: Drowsy, confused * Treatment with anti-cholinergic medications within 4 hours of enrollment