Conduct tests on pulmonary or cardiovascular systems of patients for diagnostic purposes. May conduct or assist in electrocardiograms, cardiac catheterizations, pulmonary-functions, lung capacity, and similar tests.

• Cardiac Monitor Technician
• Cardiac Monitor Technician
• Cardiopulmonary Technologist
• Cardiopulmonary Technologist, Chief
• Echocardiograph Technician
• Electrocardiograph Technician
• Holter Scanning Technician
• Perfusionist
• Pulmonary-Function Technician
• Special Procedures Technologist, Cardiac Catheterization
• Stress Test Technician

• Activate fluoroscope and camera to produce images used to guide catheter through cardiovascular system.
• Adjust equipment and controls according to physicians' orders or established protocol.
• Assess cardiac physiology and calculate valve areas from blood flow velocity measurements.
• Assist physicians in diagnosis and treatment of cardiac and peripheral vascular treatments, for example, assisting with balloon angioplasties to treat blood vessel blockages.
• Attach electrodes to the patients' chests, arms, and legs, connect electrodes to leads from the electrocardiogram (EKG) machine, and operate the EKG machine to obtain a reading.
• Check, test, and maintain cardiology equipment, making minor repairs when necessary, to ensure proper operation.
• Compare measurements of heart wall thickness and chamber sizes to standard norms to identify abnormalities.
• Conduct electrocardiogram (EKG), phonocardiogram, echocardiogram, stress testing, or other cardiovascular tests to record patients' cardiac activity, using specialized electronic test equipment, recording devices, and laboratory instruments.
• Conduct tests of pulmonary system, using spirometer and other respiratory testing equipment.
• Enter factors such as amount and quality of radiation beam, and filming sequence, into computer.
• Explain testing procedures to patient to obtain cooperation and reduce anxiety.
• Inject contrast medium into patients' blood vessels.
• Monitor patients' blood pressure and heart rate using electrocardiogram (EKG) equipment during diagnostic and therapeutic procedures to notify the physician if something appears wrong.
• Monitor patients' comfort and safety during tests, alerting physicians to abnormalities or changes in patient responses.
• Observe gauges, recorder, and video screens of data analysis system during imaging of cardiovascular system.
• Observe ultrasound display screen and listen to signals to record vascular information such as blood pressure, limb volume changes, oxygen saturation and cerebral circulation.
• Obtain and record patient identification, medical history or test results.
• Operate diagnostic imaging equipment to produce contrast enhanced radiographs of heart and cardiovascular system.
• Prepare and position patients for testing.
• Prepare reports of diagnostic procedures for interpretation by physician.
• Supervise and train other cardiology technologists and students.

• administer injections
• administer medications or treatments
• analyze medical data
• collect clinical data
• communicate technical information
• explain testing procedures to patient
• follow clinical radiation safety procedures
• follow dental or medical office procedures
• follow infectious materials procedures
• follow patient care procedures
• follow patient observation procedures
• inventory medical supplies or instruments
• make decisions
• make presentations on health or medical issues
• observe patient condition
• prepare patient reports
• prepare patients for tests, therapy, or treatments
• record medical history or data
• take vital signs
• understand technical operating, service or repair manuals
• use clinical sterilizing technique
• use emergency medical procedures
• use hazardous materials information
• use interpersonal communication techniques
• use knowledge of medical terminology
• use medical diagnostic equipment
• use quality assurance techniques
• use sanitation practices in health care settings