what is acute appendicitis and investigation causes ?

acute appendicitis 

         it is in acute inflammation  of appendix ..

causes

                exact cause is not know but it is considered that there is obstruction of lumen of appendix . for exampal ..by fecal mass or worm etc followed by attack by bacteria usually >E COLI low fiber diet is a risk factor 

investigation 

                                    1]   T L C it is usually [more then 10000/cmm] raised 

                                       2]  urine R/E is usually normal 

                                      3]  X ray of K U B  usually normal 

                                       4] u/s of abd is normal usually [u/s can show inflammation of appendix in few pt]