Final answer:
An echocardiogram technician is trained to use a wand to transmit sound waves and measure how the heart echoes those sounds. They assist cardiologists in diagnosing and monitoring heart conditions.
Step-by-step explanation:
A person who is trained to use a wand to transmit sound waves and measure how the heart echoes those sounds is most likely an echocardiogram technician. They operate ultrasound equipment to produce images of the heart and also measure the blood flow through the heart. By interpreting these images and data, they assist cardiologists in diagnosing and monitoring heart conditions.
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