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ASA-Criteria |
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| ASA Physical Status (PS) Classification System from the American Society of Anesthesiologists |
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| ASA PS Category |
Preoperative Health Status |
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| ASA PS 1 |
Normal healthy patient |
| ASA PS 2 |
Patients with mild systemic disease |
| ASA PS 3 |
Patients with severe systemic disease |
| ASA PS 4 |
Patients with severe systemic disease that is a constant threat to life |
| ASA PS 5 |
Moribund patients who are not expected to survive without the operation |
| ASA PS 6 |
A declared brain-dead patient who organs are being removed for donor purposes |
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American Society of Anesthesiologists (ASA) Physical Status (PS) Classification System. Categories to classify the preoperative health status of patients. | |
Weigand et al. Trials 2007 8:29 doi:10.1186/1745-6215-8-29 |
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