PMID- 37661524 OWN - NLM STAT- Publisher LR - 20231006 IS - 0736-4679 (Print) IS - 0736-4679 (Linking) VI - 65 IP - 4 DP - 2023 Oct TI - Nonconvulsive Status Epilepticus: A Review for Emergency Clinicians. PG - e259-e271 LID - S0736-4679(23)00306-2 [pii] LID - 10.1016/j.jemermed.2023.05.012 [doi] AB - BACKGROUND: Status epilepticus is associated with significant morbidity and mortality and is divided into convulsive status epilepticus and nonconvulsive status epilepticus (NCSE). OBJECTIVE: This review provides a focused evaluation of NCSE for emergency clinicians. DISCUSSION: NCSE is a form of status epilepticus presenting with prolonged seizure activity. This disease is underdiagnosed, as it presents with nonspecific signs and symptoms, most commonly change in mental status without overt convulsive motor activity. Causes include epilepsy, cerebral pathology or injury, any systemic insult such as infection, and drugs or toxins. Mortality is primarily related to the underlying condition. Patients most commonly present with altered mental status, but other signs and symptoms include abnormal ocular movements and automatisms such as lip smacking or subtle motor twitches in the face or extremities. The diagnosis is divided into electrographic and electroclinical, and although electroencephalogram (EEG) is recommended for definitive diagnosis, emergency clinicians should consider this disease in patients with prolonged postictal state after a seizure with no improvement in mental status, altered mental status with acute cerebral pathology (e.g., stroke, hypoxic brain injury), and unexplained altered mental status. Assessment includes laboratory evaluation and neuroimaging with EEG. Management includes treating life-threatening conditions, including compromise of the airway, hypoglycemia, hyponatremia, and hypo- or hyperthermia, followed by rapid cessation of the seizure activity with benzodiazepines and other antiseizure medications. CONCLUSIONS: An understanding of the presentation and management of NCSE can assist emergency clinicians in the care of these patients. CI - Published by Elsevier Inc. FAU - Long, Brit AU - Long B AD - Department of Emergency Medicine, Brooke Army Medical Center, Fort Sam Houston, Texas. Electronic address: brit.long32@gmail.com. FAU - Koyfman, Alex AU - Koyfman A AD - Department of Emergency Medicine, The University of Texas Southwestern Medical Center, Dallas, Texas. LA - eng PT - Journal Article DEP - 20230605 PL - United States TA - J Emerg Med JT - The Journal of emergency medicine JID - 8412174 SB - IM OTO - NOTNLM OT - NCSE OT - neurology OT - nonconvulsive status epilepticus OT - seizures OT - status epilepticus COIS- Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. EDAT- 2023/09/04 06:43 MHDA- 2023/09/04 06:43 CRDT- 2023/09/04 01:00 PHST- 2022/11/30 00:00 [received] PHST- 2023/04/01 00:00 [revised] PHST- 2023/05/26 00:00 [accepted] PHST- 2023/09/04 06:43 [pubmed] PHST- 2023/09/04 06:43 [medline] PHST- 2023/09/04 01:00 [entrez] AID - S0736-4679(23)00306-2 [pii] AID - 10.1016/j.jemermed.2023.05.012 [doi] PST - ppublish SO - J Emerg Med. 2023 Oct;65(4):e259-e271. doi: 10.1016/j.jemermed.2023.05.012. Epub 2023 Jun 5.