Supervise or train cardiology technologists or students.
Advise patients and community members concerning diet, activity, hygiene, or disease prevention.
Conduct electrocardiogram (EKG), phonocardiogram, echocardiogram, or other cardiovascular tests to record patients' cardiac activity, using specialized electronic test equipment, recording devices, or laboratory instruments.
Supervise patient care personnel.
Collect medical information from patients, family members, or other medical professionals.
Explain medical procedures or test results to patients or family members.