< 65 years or ASA I (normal healthy patient) | > 65 years or ASA ³ II (at least with mild systemic disease) | |
Low risk Surgery Endoscopy Eye surgery |
None | None Additional tests to be conducted based on the decision of the anesthesiologist (CBC-Platelets, Creatinine, INR, PTT, Electrolytes, etc..) |
Other Low risk Surgery | None | CBC-Platelets, Creatinine Additional tests to be conducted based on the decision of the anesthesiologist (INR, PTT, Electrolytes, etc..) |
Intermediate and high-risk surgery | CBC-Platelets, Creatinine Additional tests to be conducted based on the decision of the anesthesiologist (INR, PTT, Electrolytes, Type and screen, ECG, etc..) |
CBC-Platelets, INR, PTT Creatinine, Electrolytes ECG |
Indicated | Not indicated | |
ECG |
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Chest X-Ray |
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Surgical Risk Estimate According to Type of Surgery
Low risk surgery
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Intermediate and high-risk surgery
Orthopedic surgery | Abdominal surgery | Urology -gynecology | Neurosurgery |
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ENT | Vascular surgery | Cardiothoracic surgery |
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American Society Anesthesiologists (ASA) classification
ASA I: Normal Healthy individual.
ASA II: Patient with mild systemic disease.
ASA III: Patient with severe systemic disease.
ASA IV: Patient with severe systemic disease that is a constant threat to life.
ASA V: Moribund patient who is not expected to survive without the operation.
ASA VI: declared brain dead patient whose organs are being removed for donor purposes.