TL is a 62-year-old male who was in a car wreck and who has been hospitalized for compartment syndrome from a left leg crush injury. He has areas of necrosis (tissue ischemia) seen along his calf. Tissue necrosis is areas of dead cells. It is imperative that the necrosis does not increase. 1. Discuss the etiologies of cellular injury and death and what can be done for TL to maximize his care.