Identifier |
wh_ch16_p779 |
Title |
Walsh & Hoyt: Disturbances During Coma |
Creator |
Aki Kawasaki, MD, PhD |
Affiliation |
Faculty of Biology and Medicine, University of Lausanne |
Subject |
Ocular Motor System; Accommodation, Ocular; Tears; Disturbances During Coma |
Description |
According to Plum and Posner, consciousness is the state of awareness of the self and environment, whereas coma is a state of unarousable psychological unresponsiveness in which the patient lies with eyes closed. Patients in coma show no psychologically understandable response to external stimuli or inner needs. Causes of coma include supratentorial lesions, infratentorial lesions, and diffuse brain dysfunction from a variety of inflammatory, infectious, degenerative, and metabolic processes. The prevalence of pupillary abnormalities in comatose patients is high and may, in some instances, help in the initial understanding and localization of the process. Accordingly, one should carefully examine the pupil size, shape, and reactivity in any patient who appears to be in a comatose state. |
Date |
2005 |
Language |
eng |
Format |
application/pdf |
Type |
Text |
Source |
Walsh and Hoyt's Clinical Neuro-Ophthalmology, 6th Edition |
Relation is Part of |
Walsh and Hoyt's Clinical Neuro-Ophthalmology Walsh and Hoyt's Clinical Neuro-Ophthalmology |
Collection |
Neuro-ophthalmology Virtual Education Library: NOVEL http://NOVEL.utah.edu |
Publisher |
Wolters Kluwer Health, Philadelphia |
Holding Institution |
Spencer S. Eccles Health Sciences Library, University of Utah, 10 N 1900 E SLC, UT 84112-5890 |
Rights Management |
Copyright 2005. For further information regarding the rights to this collection, please visit: https://NOVEL.utah.edu/about/copyright |
ARK |
ark:/87278/s6kd56c7 |
Setname |
ehsl_novel_whts |
ID |
185716 |
Reference URL |
https://collections.lib.utah.edu/ark:/87278/s6kd56c7 |