Aliasing – Cardiology MCQ

False statement about Aliasing:
a) Aliasing is described in Doppler echocardiography
b) Aliasing occurs when the velocity being interrogated is below the Nyquist limit
c) Nyquist limit is half the pulse repetition frequency of the Doppler transducer
d) With aliasing, the direction of flow can appear as opposite to that of the actual, due to ‘wrap around’
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