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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Duplex ultrasonography combines:
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The correct answer is  Ans. B. B-mode imaging and pulse-wave doppler examinationAn objective assessment of the severity of disease is obtained by noninvasive techniques. These include digital pulse volume recordings, doppler flow velocity waveform analysis, duplex ultrasonography (which combines b-mode imaging and pulse-wave doppler examination), segmental pressure measurements, transcutaneous oximetry, stress testing (usually using a treadmill), and tests of reactive hyperemia.