Considering resistances of supposed or identified pathogens is of vital importance in antibiotics therapy. Additionally local details play a very important role. So the resistance situation can be different on two wards of the same facility. Furthermore it is possible that there is spatial extension of resistances across the wards that the physicians suppose a future resistance development in a specific unit. The idea of RESIS3D is to visualize spatial and temporal development of resistant pathogens and to give the attending physician (as well as the laboratory) important information for using antibiotics. RESIS3D is an addition to our computer-based therapy adviser called ICONS for calculated antibiotics therapy in intensive care medicine.