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Volume 8, Number 6—June 2002

Neurocysticercosis in Radiographically Imaged Seizure Patients in U.S. Emergency Departments1

Samuel Ong*Comments to Author , David A. Talan*, Gregory J. Moran*, William R. Mower*, Michael Newdow*, Victor C.W. Tsang†, Robert W. Pinner†, and the EMERGEncy ID NET Study Group2
Author affiliations: *Olive View-University of California at Los Angeles Medical Center, Sylmar, California, USA; †Centers for Disease Control and Prevention, Atlanta, Georgia, USA;

Main Article

Table 2

Emergency department physicians’ diagnoses for 1,348a neuroimaged seizure patients

Diagnosis Seizure patients (%)
Etiology uncertain 515 (38)
Alcohol or drug abuse/withdrawal 253 (19)
Head injury 105 (7.8)
Epilepsy 92 (6.8)
Otherb 104 (7.7)
Brain tumor 42 (3.1)
Metabolic disorder (e.g., hypoglycemia) 39 (2.9)
Stroke 36 (2.7)
Neurocysticercosis 30 (2.2)
Nontraumatic cerebral hemorrhage 22 (1.6)
Syncope, possibly not seizure 25 (1.9)
Meningitis or brain abscess 18 (1.3)
Pseudoseizure 14 (1.0)
Toxoplasmosis 12 (0.9)
No diagnosis documented 42 (3.1)

aThe method of categorizing discharge diagnoses was modified during the study. These data represent the last 1,348 of 1,833 patient encounters.
bOther category includes six patients with recent neurosurgery, three with toxic levels of anticonvulsant medications, three with reactions to non-anticonvulsant medication, three with systemic lupus erythematosus, and several other less frequently occurring causes.

Main Article

1 Presented at the 1997 annual meeting of the Society for Academic Emergency Medicine. Washington, DC, May, 1997.

2 The following investigators and centers collaborated in the EMERGEncy ID NET Study Group: Principal investigator, D. Talan; Coinvestigator, G. Moran; Director of Informatics and Biostatistics, W. Mower; Project Coordinator, M. Newdow; Assistant Director of Informatics, S. Ong; Centers for Disease Control and Prevention collaborators, R. Pinner, V.C.W. Tsang, and L. Conn; Executive Committee, D. Talan, G. Moran, C. Pollack, J. Jui, L. Slutsker, R. Pinner; Site Investigators, P. Cheney (University of New Mexico Health Sciences Center, Albuquerque, NM), W. Chiang (Bellevue Hospital Center, New York, NY); L. Dunbar (Louisiana State University Health Science Center, New Orleans, LA), K. Heilpern (Emory University School of Medicine, Atlanta, GA), J. Jui (Oregon Health Sciences University, Portland, OR), D. Karras (Temple University School of Medicine, Philadelphia, PA), G. Moran (Olive View-UCLA Medical Center, Sylmar, CA), C. Pollack (Maricopa Medical Center, Phoenix, AZ), J. O’Brien (Orlando Regional Medical Center, Orlando, FL), J. Runge (Carolinas Medical Center, Charlotte, NC), and M. Steele (University of Missouri-Kansas City, Kansas City, MO).

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