2 years of current experience required. COVID vaccine required. Echo technicians are responsible for preparing patients and diagnostic equipment for imaging procedures. They also explain procedures to patients. After positioning the patient, an echo tech applies gel that aids in sound transmission to the patient’s skin before using the diagnostic equipment to create images of the patient’s heart. Afterward, the echo technician helps physicians interpret the data from the images and determines which images should be saved and which should be discarded. Echo technicians may also be responsible for ensuring that records are kept properly.