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Fig 5. Sample arterial waveform tracings from the microcatheter at least 1 cm distal to the carotid stenosis (top row), at the level of the stenosis (middle row), and at least 1 cm proximal to the stenosis (bottom row). The adjacent values represent the mean arterial pressures as well as the systolic (S) and diastolic (D) values generated by the Propaq arterial pressure monitor.
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