An ultrasound diagnostic apparatus comprising: an ultrasound probe ; an imaging unit that is configured to transmit and receive an ultrasound beam to and from a subject using the ultrasound probe and convert a received signal output from the ultrasound probe into an image to generate an ultrasound image of the subject; a collation pattern memory that is configured to store a plurality of collation patterns corresponding to a plurality of examination parts of the subject in advance; an information input unit that is usable by a user to input examination type information indicating content of an examination for continuously examining the plurality of examination parts; a determination order decision unit that is configured to decide a determination order of the plurality of examination parts to be continuously examined, on the basis of the examination type information input to the information input unit ; and a part determination unit that is configured to read the collation patterns corresponding to the examination parts to be continuously examined from the collation pattern memory according to the determination order decided by the determination order decision unit and sequentially collate the ultrasound image generated by the imaging unit in the determination order using the read collation patterns to determine an imaging part of the subject; wherein the part determination unit is configured to read a collation pattern corresponding to an examination part which is located in the vicinity of the examination part corresponding to the read collation pattern from the collation pattern memory , in addition to the collation patterns read from the collation pattern memory according to the determination order, and determine the imaging part. an ultrasound probe ; an imaging unit that is configured to transmit and receive an ultrasound beam to and from a subject using the ultrasound probe and convert a received signal output from the ultrasound probe into an image to generate an ultrasound image of the subject; a collation pattern memory that is configured to store a plurality of collation patterns corresponding to a plurality of examination parts of the subject in advance; an information input unit that is usable by a user to input examination type information indicating content of an examination for continuously examining the plurality of examination parts; a determination order decision unit that is configured to decide a determination order of the plurality of examination parts to be continuously examined, on the basis of the examination type information input to the information input unit ; and a part determination unit that is configured to read the collation patterns corresponding to the examination parts to be continuously examined from the collation pattern memory according to the determination order decided by the determination order decision unit and sequentially collate the ultrasound image generated by the imaging unit in the determination order using the read collation patterns to determine an imaging part of the subject; wherein the part determination unit is configured to read a collation pattern corresponding to an examination part which is located in the vicinity of the examination part corresponding to the read collation pattern from the collation pattern memory , in addition to the collation patterns read from the collation pattern memory according to the determination order, and determine the imaging part. <EOS>