lighting means 54 with a number of lighting devices is arranged below the ceiling above the operation table 52 on one side of the operation table in fig1 on the right side behind the table an x ray imaging system 56 is provided the x ray imaging system 56 comprises an x ray image acquisition device with a source of x ray radiation 58 provided to generate x ray radiation further an x ray image detection module 60 is located opposite the source of x ray radiation 58 the x ray image acquisition device comprises an arm 62 in form of a c where the image detection module 60 is arranged at one end of the c arm and the source of x ray radiation 58 is located at the opposite end of the c arm the c arm is moveably mounted and can be moved towards the table 52 where it can be rotated around the object of interest located on the table 52 that means during the radiation procedure the subject is located between the source of x ray radiation 58 and the detection module 60 the latter is sending data to a data processing unit or calculation unit 64 which is connected to both the detection module 60 and the radiation source 58 further a display device 66 is arranged in the vicinity of the table 52 to display information to the person operating the x ray imaging system which can be a clinician such as a cardiologist or cardiac surgeon preferably the display device 66.