Cardiovascular technologists and technicians assist physicians in diagnosing and treating cardiac and peripheral vascular ailments. At the request of a physician, they measure, analyze, and image the heart and circulatory system, performing invasive and non-invasive tests.

• It is essential for the job to posses knowledge of echocardiography, stress testing, cardiac catheterization and electrophysiology.
• Since cardiovascular technologists work directly with patients, empathy and the ability to communicate with clients in a supportive, professional manner are crucial skill sets.
• Job fields include hospitals and medical centers, clinics, physicians' offices, mobile diagnostic units, sales and training, and education.