劍橋詞典a physical problem present from birth in which a part of the aorta (= the body's largest artery ) is too narrow 主動(dòng)脈縮窄 With aortic coarctation, pulses in the arms are stronger than those in the legs . 主動(dòng)脈縮窄情況發(fā)生時(shí)，手臂脈搏比腿部的有力。 返回 aortic coarctation