A portable ultrasound diagnosis apparatus includes: an ultrasound probe that transmits and receives an ultrasound wave to and from a subject a processing unit being connected to the ultrasound probe and including a generating unit that generates image data of the subject on the basis of an ultrasound signal received by the ultrasound probe a display controlling unit that exercises control so as to cause the image data to be displayed by an information terminal being connected to the processing unit and having a display unit and an identifying unit that performs an identifying process on the basis of identification information of the information terminal. The display controlling unit exercises control so that the information terminal displays a diagnosis image area while varying the size thereof relative to the size of the display unit, in accordance with a result of the identifying process by the identifying unit.【課題】視認性及び携帯性の両方を向上させるポータブル超音波診断装置を提供するものである。【解決手段】上記の課題を解決するために、実施形態のポータブル超音波診断装置は、表示部を備えた情報端末との接続が可能な処理ユニットと、処理ユニット内部に備わり、接続された情報端末の情報を識別するための識別手段と、情報端末の情報をもとに、接続された情報端末の種類に依った制御を自動的に行うための表示制御手段と、を有する。【選択図】図1
