Doppler eehocardiography的用法和樣例：
例句
- A Doppler ultrasound is part of the echocardiogram test.
也是超聲波心動圖檢查的一個部分。 - All patients were diagnosed through two-dimensional and Doppler echocardiography or cardioangiography.Primary correction was performed under cardiopulmonary bypass on all patients.
全部病例術前均行二維超聲心動圖或心導管造影檢查確診，均在體外循環下行根治性手術。
