Ultrasound diagnostic system

An ultrasound diagnostic system that acquires an ultrasound image of a part to be observed of a subject and performs diagnosis, the ultrasound diagnostic system comprising:

• an ultrasound probe provided with an ultrasound transducer array in which a plurality of ultrasound transducers that irradiate the part to be observed with an ultrasonic wave and receive an echo signal from the part to be observed to output a detection signal are arranged;
• and
• an ultrasound processor device that executes a verification mode for verifying an operation of the ultrasound transducer array,
• wherein the ultrasound processor device includes a processor,
• the processor is configured to:
• generate ultrasound image data of each pixel corresponding to each ultrasound transducer from a transmission and reception signal of each ultrasound transducer, and
• analyze the generated ultrasound image data to detect a failed failure transducer channel,
• a transducer channel is a channel that includes the ultrasound transducer and that generates the ultrasound image data of the pixel,
• the processor is configured to change a determination criterion for determining the failure in accordance with a condition related to an influence degree on the acquired ultrasound image, and
• the number of defective transducer channels, which is the determination criterion, is smaller at a position of the ultrasound transducer at which the influence degree on the ultrasound image is larger than at a position of the ultrasound transducer at which the influence degree is small.