View of a patient undergoing an echocardiography examination. This method produces an image of the heart by using ultrasound,which are inaudible and harmless high-frequency sound waves. It is mostly used to detect functional abnormalities of the heart wall,the heart valves and the large blood vessels connected to the heart. The sound waves are transmitted by a set of transducers placed on the chest of the patient. The echoes from the different transducers are detected,amplified and then combined to produce a two-dimensional image on a TV screen | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Leavines, Susan |
Bildgröße: | 5287 px × 3536 px |
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