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APPENDIX A. GLOSSARY American Society of Anesthesiologists (ASA) classification of physical status
Childs-Pugh classification A classification (A,B,C) used to determine the severity of liver cirrhosis based on physiological factors.
Classification of operation (NCEPOD definition) EMERGENCY: Immediate life-saving operation, resuscitation, simultaneous with surgical treatment (e.g. trauma, ruptured aortic aneurysm). Operation usually within one hour. URGENT: Operation as soon as possible after resuscitation (e.g. irreducible hernia, intussusception, oesophageal atresia, intestinal obstruction, major fractures). Operation within 24 hours. SCHEDULED: An early operation but not immediately life-saving (e.g. malignancy). Operation usually within three weeks. ELECTIVE: Operation at a time to suit both patient and surgeon (e.g. cholecystectomy, joint replacement).
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