693
Since recent studies have reported no negative interactions with concurrent use, we here report three cases (one case of a prolonged seizure, a serotonin syndrome and a focal seizure) of severe lithium-induced side effects while patients underwent ECT without complications and lithium serum levels were still subtherapeutic.
 adverse event: induced 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: induced 