Under the Microscope 1. Which microbes usually cause gas gangrene? 2. How did the patient's diabetes...
Scenario 1 E.B., a 69-year-old man with type 1 diabetes mellitus (DM), is admitted to a large regional medical center complaining of severe pain in his right foot and lower leg. The right foot and lower leg are cool and with-out pulses (absent by Doppler). Arteriogram demonstrates severe atherosclerosis of the right popliteal artery with complete obstruction of blood flow. Despite attempts at endarterectomy and intravascular urokinase over several days, the foot and lower leg become necrotic. Finally, the decision...