From the ^∗Department of Anaesthesia, The Queen Elizabeth Hospital, Woodville, Woodville

^†Department of Acute Care Medicine, University of Adelaide, Adelaide, South Australia

Departments of ^‡Anaesthesia

^§Psychiatry, Calvary Mater Hospital, Newcastle

^∥Department of Psychiatry, The Queen Elizabeth Hospital, Woodville, South Australia, Australia.

Received for publication April 22, 2020; accepted May 21, 2020.

Reprints: Venkatesan Thiruvenkatarajan, FANZCA, Department of Anesthesia, The Queen Elizabeth Hospital, Woodville, South Australia -5011, Australia (e-mail: Venkatesan. [email protected]).

The authors have no conflicts of interest or financial disclosures to report.

V.T. is the main author who conceptualized the review, drafting, and review of the manuscript. A.D. did the manuscript writing, editing, and critical review. A.A.-B., A.W., and S.W. did the critical review and expert opinion. R.V.W. did the critical review, editing, and expert opinion.