PROBLEM TO BE SOLVED: To provide an ultrasonic contrast medium and an imaging method using the same.SOLUTION: The ultrasonic contrast medium includes gas-supersaturated water. The gas-supersaturated water is an aqueous solution generating microbubbles by ultrasonic irradiation.COPYRIGHT: (C)2013,JPO&INPIT【課題】超音波造影剤およびそれを用いた造影方法の提供【解決手段】気体過飽和水を含む超音波造影剤を提供する。【選択図】なし