The Ultrasound Sonographer performs cardiac ultrasound procedures including transthoracic, stress, and transesophageal echocardiograms, as well as noninvasive cardiac testing such as electrocardiograms and holter monitor applications. Responsibilities include preparing preliminary reports, managing echocardiography equipment, ensuring patient care standards, and assisting in staff training and policy updates. The role requires certification and education in cardiac ultrasound and involves work in clinical environments with attention to safety and compliance with healthcare regulations.