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Factors affecting jugular venous oxygen saturation (SjvO2)
| Low SjvO2 | High SjvO2 |
|---|---|
| Reduction in oxygen delivery | Reduced cerebral oxygen consumption |
| Raised ICP | Coma |
| Reduced CBF | Hypothermia |
| Hypoxia | Cerebral infarction |
| Profound hypocarbia | |
| Increased cerebral oxygen demand | Increased oxygen delivery |
| Seizures | Hypercapnia |
| Pyrexia | Vasodilation |
