echocardiography
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Echocardiography uses ultrasound to provide a real-time image of the heart. Notably:
- it is non-invasive and is thought to be harmless
- the ultrasound generator and receiver is a piezo- electric crystal
- for high resolution images a high frequency ultrasound must be used - this is 2 MHz for adults and 7 MHz for infants
Last edited 05/2018
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