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Doppler ultrasound: A Doppler ultrasound is a medical device that emits high frequency sound waves and is used to diagnose a variety of diseases and conditions. The Doppler ultrasound measures blood flow by analyzing the rate at which the frequency of sound changes as blood passes by the transducer. The transducer is a small device held against the skin; the emitted sound waves bounce back (echo) from blood cells and are recorded as changes in blood flow.
These diseases are related to the medical device Doppler ultrasound:
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