Abstract:

Each new technique for achieving and clarifying the diagnosis of arterial disease has stimulated an effort to establish its value as a tool for guiding surgical intervention. Noninvasive studies such as oculoplethysmography (OPG), phonoangiography, Doppler ultrasound spectral analysis, B-scan ultrasound, duplex ultrasound, computed tomographic (CT) scanning, magnetic resonance imaging (MRI), and transcranial Doppler have been seductive because these tools require no invasion of the. body or the artery of interest and are, therefore, eminently safe.

Authors:

W. Robert Felix, Jr., M.D., Chestnut Hill Medical Center, Chestnut Hill, MA, Harvard Medical School, Boston, MA

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