The case definitions listed below are used to monitor EMS encounters in NC DETECT.

Abbreviations, misspellings and negation are taken into account when searching for keywords in the free text data (chief complaint and secondary complaint).

The EMS data feed to NC DETECT transitioned from NEMSIS V.2 to NEMSIS V.3 around May 2018. In the NC DETECT Web Application, use the data source “PreMIS” for data from 2009-2018 (NEMSIS V.2 data) and use the data source “EMS” for data from May 2018 to the present (NEMSIS V.3 data)

NEMSIS VersionSyndromeCase Definition
Version 3: EMSNaloxoneThis syndrome includes all EMS encounters with an EMS administration of naloxone (medication code = 7242)
Version 3: EMSHurricane-RelatedThis syndrome looks for the following keywords in the narrative:
flood* OR evacu* OR storm*

Exclusions: storm door, storm drain, thyroid storm, storming in, storming off, stormed off, stormed into, stormed out of, stormed in

Excludes canceled EMS encounters
Version 3: EMSStanding E-ScooterThis syndrome looks for patients < 65 years of age
and the following keywords in the narrative:
escoot* OR shared electric scooter
OR
(scooter OR scoter OR "skoot*" OR scotter OR "schoot*" OR "sccot*"
AND
byrd OR bird OR lime OR uber OR lyft OR "ride share" OR rideshare OR zap OR gotcha OR campus)
OR
(scooter OR scoter OR "skoot*" OR scotter OR "schoot*" OR "sccot*" AND electric AND dispatch complaint of traffic/transportation incident or traumatic injury)

Excludes canceled EMS encounters
Version 3: EMSTraffic-RelatedThis syndrome includes all EMS encounters with a dispatch complaint of traffic/transportation incident

Excludes canceled EMS encounters
Version 3: EMSTraffic-Related: PedestriansThis syndrome includes all EMS encounters with a dispatch complaint of traffic/transportation incident AND the following keywords in the narrative:
PEDESTRIAN OR "PED STRUCK" OR "PEDS STRUCK" OR "PED VS MVC" OR "PEDS VS MVC" OR "PED VS CAR" OR "PEDS VS CAR")
Exclusions: MOPED OR SCOOTER OR BICYCLE OR BIKE OR MOTORCYCLE

Excludes canceled EMS encounters
Version 3: EMSTraffic-Related: BicyclistsThis syndrome includes all EMS encounters with a dispatch complaint of traffic/transportation incident AND the following keywords in the narrative:
BICYCLE OR BIKE OR BICYCLIST
Exclusions: MOTOR CYCLIST OR SCOOTER OR MOTORCYCLE OR MOPED OR "DIRT BIKE"OR DIRTBIKE OR "MOTOR BIKE" OR MOTORBIKE

Excludes canceled EMS encounters
Version 2: PreMISFeverFever (or Temp > 38)
Version 2: PreMISGastroDispatch complaint: abdominal pain OR Primary symptoms: Diarrhea OR nausea/vomiting
Version 2: PreMISHeat Related IllnessChief Complaint / Secondary Complaint: '%heat ex%' or '%heat cramp%' or '%heat weak%' or '%heat sick%' or '%overheat%'
or '%over heat%' or '%heat related%' or '%heat realted%' or '%heat problem%' or '%hypertherm%' or '%to hot%' or '%too hot%' or '%heat str%' or 'heatstr%' or '%hot sun%' or '%hot car%' or '%heat injury%' or '%heat ill%' or '%heat emerg%' or '%heat syn%' or '%heat prostration%' or '%sun str%' or '%sunstr%' or '%Due to heat%'

Exclusions: '%radiator%' or '%antifreeze%' or '%Grease%' or '%Liquid%' or '%oil%' or '%Heater%' or '%hot tub%' or '%Sauna%' or '%hot spring%' or '%burn%'
Version 2: PreMISHemorrhagicDispatch complaint: Hemorrhage/laceration
Version 2: PreMISNaloxoneMeds administered include naloxone or Narcan
Version 2: PreMISNaloxone with PoisoningMeds administered include naloxone or Narcan

AND

overdos* or OD or O/D or poison* or ingest* OR Provider primary impression = 977.90-POISONING/DRUG INGESTION

Exclusions: poison ivy or poison oak
Version 2: PreMISNeuroDispatch complaint: Convulsions/seizure OR headache OR seizures OR unconscious OR Primary symptom(s): Change in responsiveness OR headache OR mental/psych OR mental status change
Version 2: PreMISOverdoseoverdos* or OD or O/D
Version 2: PreMISPoisoningoverdos* or OD or O/D or poison* or ingest* OR Provider primary impression = 977.90-POISONING/DRUG INGESTION

Exclusions: poison ivy or poison oak
Version 2: PreMISRashDispatch complaint: mass/lesion OR primary symptom(s): Rash/Itching OR Swelling
Version 2: PreMISRespiratoryDispatch complaint: breathing problems
Version 2: PreMISTraffic AccidentTraffic OR motor* OR mv*