5)peri-operative shivering

[Editor]

5)peri-operative shivering

a)can be avoided by active warming of the patient
b)is associated with hypoxaemia
c)causes a respiratory acidosis
d)does not occur with regional anaesthesia
e)responds to the administration of opiates

TTFFT

[sangram]

TTFFT
The most obvious cause for post-operative shivering is hypothermia. Could be avoided if temperature is maintained. Shivering increases O2 demand by 300-600%, so can cause hypoxia. Hypoxia would cause metabolic acidosis (respiratory acidosis is raised CO2). Shivering is quite common with spinals & epidurals (in upper half of body). Postop shivering does respond to opiates.