Historical criteria that distinguish syncope from seizures
Robert Sheldon, MD, PhD*,*,
Sarah Rose, PhD*,
Debbie Ritchie, MN*,
Stuart J. Connolly, MD ,
Mary-Lou Koshman, RN*,
Mary Anne Lee, MD ,
Michael Frenneaux, MD ,
Michael Fisher, BSc* and
William Murphy, MD
* Cardiovascular Research Group, University of Calgary, Calgary, Alberta, Canada
McMaster University, Hamilton, Ontario, Canada
Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada
Wales Heart Research Institute, Cardiff, Wales, United Kingdom
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Figure 1 Sensitivity and specificity for the diagnosis of seizures using point score reported in Table 2. The population is the development sample of patients with seizures and patients with syncope of known causes.
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Figure 2 Receiver-operating characteristic analysis of the diagnostic score in the development and test samples of patients with seizures and patients with syncope of known causes.
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Figure 3 Receiver-operating characteristic analysis of the diagnostic score developed in the absence and presence of knowledge of symptom burden. The population is the development sample of patients with seizures and patients with syncope of known causes.
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Figure 4 A comparison of the use of the diagnostic score for populations of syncope patients in the absence or presence of a known cause of syncope. The diagnostic score does not include symptom burden.
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