頸けい動どう脈みゃくエコーMeanings1nouncarotid ultrasound; carotid duplexmedicineMedical imaging term for ultrasound examination of the carotid arteries.健けん康こう診しん断だんで頸けい動どう脈みゃくエコーを受うけた。I had a carotid ultrasound at my health checkup.