====== Circulation ======

see [[Cerebral circulation]].

see [[Cerebrospinal fluid circulation]].
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**ABC [[Stabilization]]:**
  * **[[Airway]]**: Intubate if GCS ≤ 8.
  * **[[Breathing]]**: Maintain SpO₂ > 94%.
  * **[[Circulation]]**: Avoid [[hypotension]] (SBP < 90 mmHg).