Which waveform characteristic is most indicative of a hemodynamically significant proximal arterial stenosis when evaluating a lower extremity artery?
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A
Triphasic waveform with sharp systolic peak
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B
Monophasic waveform with slow systolic upstroke and no diastolic reversal
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C
Biphasic waveform with preserved reverse flow component
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D
High-resistance waveform with prominent diastolic notch