In a patient having
cortical somatosensory evoked potentials monitoring of spinal cord integrity during spinal
surgery, the following may produce important inaccuracies EXCEPT which one?
a) Blood pressure
variations
b) Temperature variations
c) Neuromuscular blocking
drugs
d) Haemorrhage down to a
haemoglobin of 5.5 g/dL
e) Maintenance of
anaesthesia with sevoflurane
