The ORNAC Journal is the official peer-reviewed publication of the Operating Room Nurses Association of Canada (ORNAC). Published quarterly by Clockwork Communications, the ORNAC Journal promotes professional perioperative nursing practice and provides its membership with relevant, practice-based information to apply in today's OR environment. All article submissions are reviewed by an independent rotating review panel.

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ORNAC Journal Vision

The ORNAC Journal is Canada’s leading publication which engages, empowers and supports Perioperative Practitioners.

ORNAC Journal Mission

The ORNAC Journal is the best source of information and news relevant to Perioperative Practitioners dedicated to:

  1. Connecting Perioperative Practitioners
  2. Enhancing professional growth
  3. Promoting perioperative professional practice.

ORNAC Journal connects Canada’s Perioperative Practitioners and is the best source of information and news that is relevant to their practice.

ORNAC Journal Featured Article:

Malignant Hyperthermia – An update for perioperative nurses


Sheila Riazi, MD, MSc, Malignant Hyperthermia Investigation Unit, University Health Network, University of Toronto, Toronto, Canada

Barbara W. Brandom, MD, Director, North American MH Registry of MHAUS, Professor, Department of Anesthesiology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States


This article is a summary of the “Updates on Malignant Hyperthermia” presentation given at the 2015 ORNAC National Conference in Edmonton. It presents the facts known about malignant hyperthermia (MH) including definition, anesthetic and non-anesthetic triggers for MH, signs and symptoms, and treatment of MH. It also discusses the care of an MH susceptible patient while undergoing an elective surgery.

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