• Pierre Squara, Michael Imhoff, and Maurizio Cecconi.
• From the ICU Department, Réanimation CERIC, Clinique Ambroise Paré, Neuilly, France; Abteilung für Medizinische Informatik, Biometrie und Epidemiologie, Ruhr-Universität Bochum, Bochum, Germany; and Adult Critical Care Directorate and Anaesthesia, St. George's Hospital and St. George's University of London, London, United Kingdom.
• Anesth. Analg. 2015 Jan 1; 120 (1): 66-75.

AbstractMetrology is the science of measurements. Although of critical importance in medicine and especially in critical care, frequent confusion in terms and definitions impact either interphysician communications or understanding of manufacturers' and engineers' instructions and limitations when using devices. In this review, we first list the terms defined by the International Bureau of Weights and Measures regarding quantities and units, measurements, devices for measurement, properties of measuring devices, and measurement standards. The traditional tools for assessing the most important measurement quality criteria are also reviewed with clinical examples for diagnosis, alarm, and titration purposes, as well as for assessing the uncertainty of reference methods.

This article appears in the collection: Decision Making in Anaesthesia & Critical Care.

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