J F Schieve

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P ULSUS ALTERNANS is considered a grave sign of heart disease, indicating myocardial insufficiency.1 Recent observations indicate that this phenomenon can be profoundly influenced by changes in the venous return to the heart. During the past two years we have encountered 12 patients with pulsus alternans and have noted that in certain instances advanced(More)
Three years' experience with pulsus alternans, including its production with exercise, has shown that alternans may exhibit at least 3 types of behavior, and has led the authors to believe that the type of behavior a patient presents is related to the degree of heart failure present. Those patients who developed alternans following exercise were not in(More)
It has been found that retinal arterial reactivity to oxygen is diminished in persons with retinal arteriosclerosis, and that cerebral blood flow and the increment in cerebral flow upon inhalation of carbon dioxide are diminished in persons with cerebral arteriosclerosis. The present study demonstrates that there is a significant positive correlation(More)