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ASA classification In 1963 American Society of Anesthesiologists adopted a five category classification system for assessing a patient before surgery. A sixth category was later added. |
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|---|---|---|
| I | A normal healthy patient. | |
| II | A patient with mild systemic disease. | |
| III | A patient with severe systemic disease. | |
| IV | A patient with severe systemic disease that is a constant threat to life. | |
| V | A moribund patient who is not expected to survive without the operation. | |
| VI | A declared brain-dead patient whose organs are being removed for donor purposes. | |
Reference
New classification of physical status. Anesthesiology 1963; 24:111
http://www.asahq.org/clinical/physicalstatus.htm
