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Indian J Anaesth. 2011 Mar;55(2):111-5. doi: 10.4103/0019-5049.79879.

American Society of Anaesthesiologists physical status classification.

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Department of Anaesthesia, Riyadh Armed Forces Hospital, Riyadh, Kingdom of Saudi Arabia.


Although the American Society of Anaesthesiologists' (ASA) classification of Physical Health is a widely used grading system for preoperative health of the surgical patients, multiple variations were observed between individual anaesthetist's assessments when describing common clinical problems. This article reviews the current knowledge and evaluation regarding ASA Classification of Physical Health as well as trials for possible modification.


ASA; Anaesthesia; physical status classification; preoperative assessment

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