Robert D Shoumaker

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The selective inability to comprehend the spoken word, in the absence of aphasia or defective or defective hearing, is defined as pure word deafness (auditory verbal agnosia). Reported cases of this rare disorder have suggested the site of involvement to be strategically placed, interrupting fibers from left and right primary auditory receptive areas which(More)
The results of continuous wave Doppler scanning of 96 common carotid arteries and their immediate branches were compared with those of selective angiography. The overall accuracy of the Doppler technique for the assessment of the common, internal and external carotid arteries was 98%, 81% and 86%, respectively with a sensitivity of 60%, 70% and 54%, and a(More)
In 38 patients who underwent cerebrovascular evaluation followed by angiography the Doppler ultrasound scanning technique was found to be an excellent screening procedure for detecting marked stenosis (greater than 50%) or occlusion of the internal carotid artery (93% correlation). It is noninvasive, easily reproducible and can be performed by a qualified(More)
SUMMARY A patient experiencing transient cerebral ische-mic attacks (TIAs) was studied angiographically and found to have a symptomatic stenosis of the appropriate internal carotid artery (ICA) and three asymptomatic intracranial aneurysms. A therapeutic approach to this type of problem is discussed in this article. IN PATIENTS undergoing cerebral(More)
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