<prompt> In compartment syndrome, false sign isHypo aesthesiaNormal pulse rateOedemaPain or stretching  <response>: B Normal pulse rate Classic features of ischaemia are the five Ps: Pain, Paraesthesia, Pallor, Paralysis and Pulselessness. But it is criminal to wait until they are all present; the diagnosis can be made long before that. The earliest of the classic features are pain or a bursting sensation and altered sensibility. Ski n sensation should be carefully and repeatedly checked. 