Essential Functions: Possesses the knowledge and skills level to administer treadmill and pharmacological protocols for stress tests which includes: monitor, record, and interpret EKG tracings for diagnostic purposes, determine appropriate testing protocol, recognize presence of permanent pace maker, calculate and record diagnostic parameters, monitor and evaluate patient tolerance to test including chest pain, and prepare study for physician interpretation. Provides care to patient: obtain history, assesses patient condition, collects and interprets clinical information for appropriateness for ordered test, explains procedure, obtains consent, provides personal care/hygiene.