X-RAY CT APPARATUS

PURPOSE:To provide an X-ray CT apparatus wherein a photographing condition is automatically set based on the past irradiating informations. CONSTITUTION:A bed 2 on which an object 1 to be examined is movable, an X-ray tube 3 irradiating X-rays on the object 1 to be examined, a trestle 5 on which the X-ray tube 3 is fixed and a main control apparatus 12 controlling the X-ray tube 3, the bed 2 and the trestle 5, are provided. An X-ray CT apparatus provides furthermore an irradiating information file 14 which can store irradiation information. The main control apparatus 12 sets a photographing condition based on the past irradiating information stored in the irradiating information file 14 and controls the bed 2, the X-ray tube 3 and the trestle 5 according to the set photographing condition.