American Society of Anesthesiology Classification
(redirected from ASA IV)American Society of Anesthesiology Classification
A system used by anesthesiologists to stratify severity of patients' underlying disease and potential for suffering complications from general anesthesiaAmerican Society of Anesthesiology patient classification status
- ASA I
- Normal healthy Pt
- ASA II
- Pt with mild systemic disease; no functional limitation–eg, smoker with well-controlled HTN
- ASA III
- Pt with severe systemic disease; definite functional impairment–eg, DM and angina with relatively stable disease, but requiring therapy
- ASA IV
- Pt with severe systemic disease that is a constant threat to life–eg, DM + angina + CHF; Pts have dyspnea on mild exertion and chest pain
- ASA V
- Unstable moribund Pt who is not expected to survive 24 hours with or without the operation
- ASA VI
- Brain-dead Pt whose organs are removed for donation to another
- E
- Emergency operation of any type, which is added to any of the 6 above categories, as in ASA II E