Definition of Occupation

Conduct tests on pulmonary or cardiovascular systems of patients for diagnostic purposes. They conduct or assist in electrocardiograms, pulmonary-function, lung capacity, and similar tests. Cardiovascular technicians assist physicians in diagnosing and treating cardiac (heart) and peripheral vascular (blood vessel) ailments. Cardiovascular technicians who obtain EKGs are known as electrocardiograph (or EKG) technicians. To take a basic EKG, which traces electrical impulses transmitted by the heart, technicians attach electrodes to the patient's chest, arms, and legs, and then manipulate switches on an EKG machine to obtain a reading.