PROBLEM TO BE SOLVED: To provide an ultrasonic observation device capable of easily observing the inside of a subject.SOLUTION: An ultrasonic observation device includes a storage part 104 for storing one or more pieces of distribution information indicating two-dimensional distribution related to a Doppler signal component of a reflection wave for an ultrasonic wave irradiated onto a subject, an acquisition part 105 for acquiring conversion distribution information which is the information indicating two-dimensional distribution related to a Doppler component of a reflective wave in one or more desired planes using the distribution information, and an output part 107 for executing outputting according to the conversion distribution information acquired by the acquisition part 105.SELECTED DRAWING: Figure 1【課題】被検体内を容易に観察することができる超音波観察装置を提供する。【解決手段】被検体に照射された超音波に対する反射波のドプラ信号成分に関する二次元分布を示す情報である１以上の分布情報が格納される格納部１０４と、分布情報を用いて、１以上の所望の平面における反射波のドプラ成分に関する二次元分布を示す情報である変換分布情報を取得する取得部１０５と、取得部１０５が取得した変換分布情報に応じた出力を行なう出力部１０７とを備えた。【選択図】図１
