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Article History

Received: 21 April 2021

Accepted: 28 July 2021

First Online: 4 August 2021

Declarations

:

: The study was approved by the Regional Committee South East for Medical and Health Research Ethics (REK nr 2010/1129-1) and the Oslo University Hospital Information Security and Privacy Office. Participants provided informed verbal consent. For patients treated for acute poisoning by substances of abuse the signing of a consent form often turns out to be a practical problem, even when the patient has understood the information given and consented to inclusion. As the study was solely observational, we considered verbal consent sufficient. Verbal consent was obtained after the observation and treatment had been completed, and the patient had woken up and was ready for discharge. The verbal consent was registered on the registration form then and there by the doctor including the patient. This procedure was approved by the Regional Committee South East for Medical and Health Research Ethics, and the need for written consent was waived. The study was carried out in accordance with relevant guidelines and regulations.

: Not applicable.

: The authors declare that they have no competing interests.