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LO38: Hypoglycemia is a rare peri-seizure finding in pre-hospital patients

Published online by Cambridge University Press:  15 May 2017

D. Eby*
Affiliation:
Western University, Owen Sound, ON
J. Woods
Affiliation:
Western University, Owen Sound, ON
*
*Corresponding authors

Abstract

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Introduction: Conventional wisdom states that hypoglycemia is a frequent peri-seizure phenomenon and must be tested for. Conventional wisdom also lists hypoglycemia as a cause of seizures. Recent literature disputes this. Paramedic medical directives continue to direct paramedics to determine the blood sugar level on all seizure patients. The purpose of this study was to determine the frequency of hypoglycemia in patients identified as having “seizure” as the primary or final problem code in Ambulance Call Reports (ACRs) from a large regional paramedic base hospital program. Methods: We conducted a retrospective analysis of iMedic platform, electronic ACRs, for a 2 year period (Jan 01, 2014 to Dec 31, 2015), from 8 Paramedic Services serving a rural and urban population of 1.4 million. 5854 calls, had “seizure” listed as a primary or final problem code. A 10% sample was generated using a random number table. ACRs were manually searched, data abstracted onto spread sheets, and the results analyzed using descriptive statistics (Wizard ver 1.8.16 for Mac). Results: 582 calls were analyzed. 430 (73.9%) were adults and 152 (26.1%) were paediatric (age <18). A blood sugar was determined in 501/582 (86.1%) of all calls; adults 388/430 (90.2%), peadiatric 113/152 (74.3%). The Glasgow Coma Score, when measured, was 15 in 280/575 (48.7%) cases. Seizures were witnessed by paramedics in 47/582 (8.1%) calls; adults 33/430 (7.7%), paediatric 14/152 (9.2%). In calls were paramedics witnessed a seizure a blood sugar was determined 36/47 (76.6%) of the time; adults 25/33 (75.8%), paediatric 11/14 (78.6%). Hypoglycemia (BS<4.0 mmol/L in an adult and 3.0 mmol/L in child<age 2 ) was found in 1 case when BS was checked-overall 1/501 (0.2%); adults 1/388 (0.3%), paedatric 0/113 (0.0%). Case 1-age 70 yr, GCS 12, BS 3.8 mmol/L. Conclusion: Hypoglycemia was rarely found in patients who had a pre-hospital seizure. It did not require treatment. When it was found, hypoglycemia was unlikely to be the cause of the seizure. The results are similar to the findings from other recent, retrospective, reviews. The routine determination of blood sugars in all patients who have had a seizure prior to paramedic arrival should be reconsidered.

Type
Oral Presentations
Copyright
Copyright © Canadian Association of Emergency Physicians 2017