Suggested Level of Knowlege: Detailed
LOs
BT_GS 1.50 Describe the concept and clinical application of MAC in relation to inhaled anaesthetic agents
Past SAQs
2009.1 Explain the concept of Minimal Alveolar Concentration (MAC) and its clinical utility.
LIST the patient factors which:
a) Increase MAC
b) Decrease MAC
c) Are known to have no effect on MAC
2008.1 An 80 year old woman is undergoing major emergency surgery. Describe the maintenance inhaled concentration of sevoflurane you would choose and the factors that might influence this.
NOTE
Although MAC has historically not been asked often in the SAQ, it is invariably asked in detail in the vivas. You should know everything about every form of MAC.
MAC