%0 Journal Article %T Cardiac arrest caused by diphenhydramine overdose %A Hiromichi Aoki %A Sadaki Inokuchi %A Shinjirou Wakai %J Archive of "Acute Medicine & Surgery". %D 2018 %R 10.1002/ams2.351 %X A 45©\year©\old man presented to our emergency department with disturbance of consciousness; he had mentioned to his family earlier about a drug overdose. When first responders arrived, he suffered cardiac arrest. Cardiac arrest due to drug overdose was diagnosed.The patient was supported with venoarterial extracorporeal membrane oxygenation. Arterial blood gas showed mixed acidosis, and electrocardiogram showed junctional rhythm and complete right bundle branch block %K Cardiotoxicity %K H1 histamine receptor antagonist %K liposoluble %K over©\the©\counter drug %K venoarterial extracorporeal membrane oxygenation %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6167400/