TUSTIN, Calif.--(BUSINESS WIRE)--Patient Pamela Louderback had been experiencing dizzy spells for months and arrived at St. Elizabeth Medical Center’s emergency room (ER) after blacking out one morning at work. Unbeknownst to her and her doctors, she was on the verge of suffering a stroke. Standard medical treatment would have included a battery of tests to diagnose her condition over multiple days – a timetable that can prove fatal or debilitating for patients on the verge of stroke.