The Value of Simultaneous Electrocardiography Recording in the EEG Laboratory

Narges Khansari; Farnaz Najmi - Varzaneh; Fatemeh Najmi - Varzaneh; Mahmood  Mottamedi

Zahedan Journal of Research in Medical Sciences

The Official Journal of Zahedan University of Medical Sciences

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The Value of Simultaneous Electrocardiography Recording in the EEG Laboratory

Author(s):

Narges Khansari¹,

Farnaz Najmi - Varzaneh ¹,

Fatemeh Najmi - Varzaneh¹,

Mahmood Mottamedi^1,*

1Department of Neurolog y, Iranian Center of Neurological Research, Tehran University of Medical Sciences, Tehran, Iran

Zahedan Journal of Research in Medical Sciences:Vol. 16, issue 6

Published online:Jan 27, 2013

Article type:Research Article

Received:Oct 20, 2012

Accepted:Dec 26, 2012

How to Cite:Khansari N, Najmi - Varzaneh F, Najmi - Varzaneh F, Mottamedi M. The Value of Simultaneous Electrocardiography Recording in the EEG Laboratory.Zahedan J Res Med Sci.2013;16(6):null-null.

Abstract

Background: The aim of the current study was to assess the value of simultaneous EKG with EEG to diagnose cardiac disorders in patients with seizure- like attacks and to investigate the extent of misdiagnosis of epilepsy.

Materiak and Methods: Of 210 patients presenting with transient loss of consciousness (TLoC) and paroxysmal events suspicious to seizure were studied. All patients had undergone EEG simultaneous with an EKG. Besides reporting the EEG, a cardiologist analyzed the EKG in an attempt to recognize abnormal EKG as a potential cause of TLoC. Moreover, in all patients it was ascertained if any cardiac disorders in patients and their first degree relatives had been diagnosed.

Results: Sixteen out of two hundred ten (7.6%) patients had abnormal EKG which was significantly potential cause of symptom of whom 6 patients were found to have bradycardia and 10 patients had dysrhythmias. Moreover, in patients with previous cardiovascular disorder, 30.4% had abnormal EKG where as in patients without cardiac disease only 4.8% had EKG abnormalities. Besides in patients with positive family history for cardiac disease 20.3% had abnormal EKG while in patients without family history of cardiac disease, abnormal EKG was revealed in only 2.05% patients

Conclusion: Simultaneous EKG with EEG is valuable in declining rate of misdiagnosis of epilepsy. Besides, EKG abnormalities in these patients have a significant association with any previous cardiovascular disorders in the patients and in their first degree relatives.

Keywords

Loss of Consciousness

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