Necrotizing fasciitis is a potentially lethal disease, which is why it is essential to be clear about its pathology and diagnosis.This paper reports the case of a 54-year-old male patient with a history of hypertension and cerebrovascular accident who presented back pain and warm skin with signs of SIRS at the admission.A CT scan was performed with findings consistent on necrotizing fasciitis, however, the delay in the diagnosis contributed the patient required the start of the ACLS protocol; after 4 blue codes the patient died from cardiopulmonary arrest.This case is described in detail and we review the literature on clinical and imaging findings and their usefulness in the diagnosis of this fatal infection.