The Hospital Lab Tecnician 3 works under the direct supervision of the Electrocardiogram (ECG) and Cardiac Stress Lab Supervisor to assist in the accomplishment of the laboratory objectives including: cardiac stress testing, cardiac monitoring device application, electrocardiogram (ECG) acquisition, scheduling, and other clerical duties. Prepares patients for testing and ensures that service expectations meet or exceed customer expectations including correctly placing electrodes on patient for monitoring during stress test studies and ensuring diagnostic electrocardiogram tracing quality.