<prompt> Answer this question truthfullyWhat physical examination methods did Fournier suggest for diagnosing gangrene?  <response>: <reason> The physical examination of Fournier gangrene include:Appearance of the PatientThe patients with Fournier gangrene usually appear to be ill.VitalsFever is often absent Tachycardia Hypotension TachypneaSkinJaundice Evidence of trauma, surgery, insect or human bites, or injection sitesLocal examinationLocal examination of patient under local anesthesia includes palpation of genitalia and perineum, and digital rectal examination.Induration Warmth Tenderness beyond margins of erythema Swelling Erythema with ill defined margins Blistering bullae Skin discoloration Foul discharge greyish or brown discharge Fluctuance Crepitus Skin sloughing or necrosis Absence of lymphangitis or lymphadenopathy lymphangitis is rarely seen in Fournier gangrene Sensory and motor deficits e.g. localized anesthesia 