noun
echography; ultrasonography
Medical imaging technique using ultrasound; synonymous with 超音波検査 in clinical contexts.
医師はエコーグラフィーで内臓の状態を確認した。
The doctor checked the condition of the internal organs using echography.
Common Japanese term for ultrasound examination; エコーグラフィー is a loanword used in similar medical contexts but may sound more technical.
Borrowed from English 'echography', itself from 'echo' + '-graphy'.