Summary Medical Instrument Technicians (Electrocardiograph Technician) (EKG) operate and monitor electrocardiographic equipment to perform specialized examinations and studies involving exercise stress testing, ambulatory monitoring of arrhythmias, and indirect carotid pulse tracings on chronic patients. They monitor tracings to identify arrhythmias and when gross abnormalities appear, when to repeat certain procedures, when to stop test procedures and when a Physician's attention is required. Responsibilities Stress Test: 1. Assist in performance of exercise treadmill and pharmacologic stress tests. 2. He/she will inform patients about the protocol for exercise or pharmacologic stress testing. 3. Carefully prepare the patient's skin and apply electrodes to eliminate interference. 4. Monitor blood pressure accurately and rapidly before, during, and after exercise or pharmacologic stress, and observe the ECG for changes in rate or rhythm that would require modifications in the test prot...