A Cardiac Cath Lab Technician performs tests on heart health; tests multiple blood samples obtained through catheterization or other means from specific areas within the patient's heart or lungs. tests include but are not limited to: electrocardiogram (ekg), stress tests, x-rays and pressure checks. prepares required written documentation such as evaluation results, individualized treatment plans, progress reports, and related reports. schedules appointments, maintains files, and takes care of equipment.