Neurologic Manifestations of Chronic Pulmonary Insufficiency

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Abstract
THE clinical manifestations of chronic pulmonary insufficiency have been the subject of many articles in recent years. It has been shown that any one of a number of different chronic pulmonary diseases may give rise to a syndrome consisting of dyspnea, cyanosis, heart failure, polycythemia, papilledema and coma. The pulmonary insufficiency, by producing both hypoxia and hypercapnia, is responsible for the polycythemia, cardiac failure and derangement of the central nervous system.Of these diverse clinical manifestations those relating to the nervous system are the least well described. Cameron1 first noted the presence of papilledema in a patient with emphysema, and . . .