Which of the following scenarios is not a typical clinical sign of acute limb ischaemia?

Acute limb ischaemia is characterized by a sudden decrease in blood flow to an extremity, which can lead to severe complications if not treated promptly. The classic signs of this condition include pain in the affected limb, coldness of the limb, and weak or absent pulses, all of which indicate compromised circulation and tissue perfusion.

In contrast, preserved sensory function is not a typical clinical sign of acute limb ischaemia. When blood flow is severely compromised, as seen in this condition, tissue oxygenation diminishes, which typically results in neurological symptoms such as paresthesia or numbness. The presence of sensory function would generally suggest that the ischemia is either mild or not acute, as a complete lack of blood supply often leads to neurological deficits.

Therefore, the scenario describing preserved sensory function stands out as not being aligned with the common clinical presentation of acute limb ischaemia, where the expectation would be for sensory changes due to ischaemic effects on the nerves.