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Basics of Ultrasound (3), AMIRUL HAKIMI BIN JAMIL A17SC0284 - Coggle…
Basics of Ultrasound (3)
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Doppler Effect
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in U/S, it used to evaluate & quantify blood flow
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Doppler display: flow direction, flow velocity, flow quality (normal/abnormal)
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Laminar flow
fast at vessel centre, slow at vessel wall
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doppler type
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pulsed wave
short bursts pulses of sound, same crystal to send & receive signals
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