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Maintain a proper sterile field during surgical procedures.
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Obtain and record patient identification, medical history, or test results.
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Conduct electrocardiogram (EKG), phonocardiogram, echocardiogram, stress testing, or other cardiovascular tests to record patients' cardiac activity, using specialized electronic test equipment, recording devices, or laboratory instruments.
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Operate diagnostic imaging equipment to produce contrast enhanced radiographs of heart and cardiovascular system.
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Monitor patients' blood pressure and heart rate using electrocardiogram (EKG) equipment during diagnostic or therapeutic procedures to notify the physician if something appears wrong.
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Monitor patients' comfort and safety during tests, alerting physicians to abnormalities or changes in patient responses.
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Transcribe, type, and distribute reports of diagnostic procedures for interpretation by physician.
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Assist physicians in the diagnosis and treatment of cardiac or peripheral vascular treatments, such as implanting pacemakers or assisting with balloon angioplasties to treat blood vessel blockages.
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Set up 24-hour Holter and event monitors, scan and interpret tapes, and report results to physicians.
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Supervise or train other cardiology technologists or students.
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Explain testing procedures to patients to obtain cooperation and reduce anxiety.
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Inject contrast medium into patients' blood vessels.
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Check, test, and maintain cardiology equipment, making minor repairs when necessary, to ensure proper operation.
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Observe gauges, recorder, and video screens of data analysis system during imaging of cardiovascular system.
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Adjust equipment and controls according to physicians' orders or established protocol.
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Compare measurements of heart wall thickness and chamber sizes to standard norms to identify abnormalities.
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Prepare and position patients for testing.
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Perform general administrative tasks, such as scheduling appointments or ordering supplies or equipment.
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Assess cardiac physiology and calculate valve areas from blood flow velocity measurements.
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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.
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Observe ultrasound display screen and listen to signals to record vascular information, such as blood pressure, limb volume changes, oxygen saturation, or cerebral circulation.