Appendicitis Signs
McBurney's Triad Pain at RIF Vomiting Fever (usually <38.5C, if ruptured >40C) Signs Pointing sign McBurney sign Rovsing sign Rebound tenderness (Blumberg sign) Cutaneous hyperesthesia Guarding Psoas sign - retrocecal Obturator - pelvic Special signs in retrocecal appendix Psoas sign . If severe, can see fixed hip flexion deformity. Also positive in psoas abscess. With absence of usual appendicitis signs Special signs in pelvic appendix Obturator sign Pain in DRE Early diarrhea Special signs in postileal appendix Diarrhea RIF pain Anatomy notes: Psoas m Origin: Lumbar vertebrae Insertion: Lesser trochanter Function: Hip flexion Obturator internus m Origin: Ischipubic ramus Insertion: Medial aspect of greater trochanter Function: Abducts & laterally rotates the extended hip *Pain is elicited when actions opposite to their functions are made??? I guess.