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Cardiovascular Investigation in Elderly Patients With Transient Unresponsiveness-Reply

Cardiovascular Investigation in Elderly Patients With Transient Unresponsiveness-Reply Abstract In Reply. —We appreciate the observations of Primavera and Del Sette about the possibility that the reported1 episodes of unresponsiveness were caused by diffuse brain ischemia secondary to cardiac dysrhythmias. While we considered this possibility, evidence to support it was lacking. During unresponsiveness, the patients' electrocardiograms revealed no dysrhythmias, and at no time during their hospitalizations were dysrhythmias observed (including time of the Holter monitoring in one patient). This does not totally exclude the possibility that each episode was triggered by a transient dysrhythmia that did not persist into the often quite prolonged periods of unresponsiveness. But we believe that these observations weigh strongly against that possibility. Moreover, despite long periods of unresponsiveness (up to 5 hours), none of the patients exhibited new neurologic findings on regaining responsiveness, as we would have expected had they sustained brain ischemia severe enough to cause unresponsivness of this duration. References 1. Haimovic IC, Beresford RB. Transient unresponsiveness in the elderly . Arch Neurol . 1992;49:35-37.Crossref http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Neurology American Medical Association

Cardiovascular Investigation in Elderly Patients With Transient Unresponsiveness-Reply

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Cardiovascular Investigation in Elderly Patients With Transient Unresponsiveness-Reply

Abstract

Abstract In Reply. —We appreciate the observations of Primavera and Del Sette about the possibility that the reported1 episodes of unresponsiveness were caused by diffuse brain ischemia secondary to cardiac dysrhythmias. While we considered this possibility, evidence to support it was lacking. During unresponsiveness, the patients' electrocardiograms revealed no dysrhythmias, and at no time during their hospitalizations were dysrhythmias observed (including time of the Holter...
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Publisher
American Medical Association
Copyright
Copyright © 1992 American Medical Association. All Rights Reserved.
ISSN
0003-9942
eISSN
1538-3687
DOI
10.1001/archneur.1992.00530350022013
Publisher site
See Article on Publisher Site

Abstract

Abstract In Reply. —We appreciate the observations of Primavera and Del Sette about the possibility that the reported1 episodes of unresponsiveness were caused by diffuse brain ischemia secondary to cardiac dysrhythmias. While we considered this possibility, evidence to support it was lacking. During unresponsiveness, the patients' electrocardiograms revealed no dysrhythmias, and at no time during their hospitalizations were dysrhythmias observed (including time of the Holter monitoring in one patient). This does not totally exclude the possibility that each episode was triggered by a transient dysrhythmia that did not persist into the often quite prolonged periods of unresponsiveness. But we believe that these observations weigh strongly against that possibility. Moreover, despite long periods of unresponsiveness (up to 5 hours), none of the patients exhibited new neurologic findings on regaining responsiveness, as we would have expected had they sustained brain ischemia severe enough to cause unresponsivness of this duration. References 1. Haimovic IC, Beresford RB. Transient unresponsiveness in the elderly . Arch Neurol . 1992;49:35-37.Crossref

Journal

Archives of Neurology – American Medical Association

Published: Nov 1, 1992

References

  • Transient unresponsiveness in the elderly
    Haimovic IC, Beresford RB