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An event is serious (based on the ICH definition) when the patient outcome is:
* congenital anomaly
* other medically important event
A 24-year-old woman developed tonic-clonic seizures, confusion, encephalopathic state, hypotension, type 1 AV block and sinus tachycardia with widened QRS and prolonged QT/QTc intervals following ingestion of diphenhydramine at an overdose in an attempt to commit suicide.
The woman, who had a history of depression and suicide attempts, ingested diphenhydramine 18g (360 pills of 50mg) in an attempt to commit suicide. Emergency Medical Services arrived within 1 hour following the ingestion of diphenhydramine, and she was noted to be alert and oriented. However, she developed tonic-clonic seizures and confusion while moving to the Emergency Medicine Department. On presentation, she was noted to be in post-ictal state. Blood pressure (BP) was noted to be 70/45mm Hg.
- Cherukuri SV, et al. IV lipid emulsion infusion in the treatment of severe diphenhydramine overdose. American Journal of Case Reports 20: 758-763, 29 May 2019. Available from: URL: http://doi.org/10.12659/AJCR.912523 - USA