A-Mode Echoencephalography in the Evaluation of Cerebrovascular Disease

Abstract

The value of A-mode echoencephalography was studied in a series of patients with Cerebrovascular disease of various types. The procedure proved to be restricted value limited to those situations in which (1) a midline shift was obtained, and (2) the midline shift was observed within 36 hours after the onset of symptoms. Whereas after 36 hours some patients with cerebral infarction showed a midline shift (presumably due to edema), such a shift was not noted in patients with cerebral infarct who were examined within 36 hours after its occurrence. Those patients showing a midline shift before this interval should be suspected of having an intracerebral hemorrhage or other intracranial space-occupying process.