Actinotignum schaalii on Culture and Microscopy - Gram positive facultative anaerobic coccobacili - 4 of 4 sets, anaerobic bottles growing short Gram pos rods (coccobacili). It's thought to be a urinary tract commensal and occasional cause of UTIs but here it was the clearly the cause of the bacteremia. Rich Davis, PhD, D(ABMM), MLS @richdavisphd #Actinotignum #schaalii #Culture #Microscopy #Microbiology #clinical