To provide an ultrasound diagnostic apparatus and a program which enable easier setting of a desired attenuation correction.SOLUTION: An ultrasound diagnostic apparatus for displaying an ultrasound image on a display unit on the basis of a reception signal of an ultrasound wave reflected within a subject which is received by an ultrasound probe, comprises: control means for causing the display unit to display an attenuation-corrected ultrasound image, which is corrected based on the reception signal and an attenuation correction setting for correcting the degradation of reception signal intensity owing to an attenuation of the ultrasound wave within the subject with a correction quantity according to the reflection depth of the ultrasound wave within the subject； input means for accepting an input operation which specifies an adjustment quantity relating to the attenuation correction setting； and setting change means for changing the attenuation correction setting according to the adjustment quantity specified by the input operation, which setting change means determines the correction quantity for each of a plurality of different reflection depths to be a quantity according to a product of the adjustment quantity and a weighting factor designated for each of the plurality of reflection depths.SELECTED DRAWING: Figure 4【課題】より簡易に所望の減衰補正の設定を行うことができる超音波診断装置及びプログラムを提供する。【解決手段】被検体内で反射された超音波の超音波探触子による受信信号に基づいて超音波画像を表示部に表示させる超音波診断装置は、受信信号と、被検体内での超音波の減衰による前記受信信号の強度の低下を前記被検体における前記超音波の反射深度に応じた補正量で補正する減衰補正の設定と、に基づいて、減衰補正がなされた超音波画像を表示部に表示させる制御手段と、減衰補正の設定に係る調整量を指定する入力操作を受け付ける入力手段と、入力操作により指定された調整量に応じて減衰補正の設定を変更する設定変更手段と、を備え、設定変更手段は、異なる複数の反射深度の各々についての補正量を、調整量と、複数の反射深度に各々対応付けられて定められた所定の重み付け係数との積に応じた量にそれぞれ定める。【選択図】図４
