SPI Exam Dumps | Which adjustment is needed to optimize the waveform below? (Exhibit)

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Question 36

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Question 36/99

Which adjustment is needed to optimize the waveform below?

A. Lower baseline

B. Decrease gain

C. Increase wall filter

D. Increase pulse repetition frequency

Correct Answer: A

The waveform in the image shows spectral Doppler signals that are pushed against the upper limit of the display, indicating that the baseline is too high. Lowering the baseline allows for a better visual representation of the entire Doppler signal within the available display range. This adjustment prevents the waveform from being cut off and helps in accurately interpreting the blood flow characteristics.
References:
ARDMS Sonography Principles & Instrumentation Guidelines
Kremkau FW. Sonography Principles and Instruments. 9th ed. Philadelphia, PA: Elsevier; 2016.

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