MODEL RELEASED. Echocardiography. 30-year-old patient undergoing a heart ultrasound scan. A transducer, held against his chest, emits ultrasonic waves

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MODEL RELEASED. Echocardiography. 30-year-old patient undergoing a heart ultrasound scan. A transducer, held against his chest, emits ultrasonic waves and detects the reflected echoes. The change in frequency is used to build images (on screen at right) of the heart structures and assess the velocity and direction of blood flow.

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Size: 3508px × 2332px
Photo credit: © AJ PHOTO/HOP AMERICAIN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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