oa Southern African Journal of Anaesthesia and Analgesia - Cardiopulmonary-cerebral resuscitation : refresher course

Volume 16, Issue 2
  • ISSN : 2220-1181
  • E-ISSN: 2220-1173



Cardiopulmonary resuscitation (CPR) is necessary whenever the oxygen supply to the brain is insufficient to maintain cerebral function. Oxygen supply to the brain is dependent on :

1. Cardiac output
2. Haemoglobin concentration
CaO = Hb g/dl x SaO x 1,34ml O/dl + (PaO x 0,003)
3. Oxygen-haemoglobin saturation, which is mainly dependent on respiratory function.
CPR is thus essential in any condition in which cardiac output is critically low.

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