For example, an electrocardiogram or an echocardiography can be performed in ten minutes on an adult, but it may take more than 40 or 50 minutes in the case of a child.
以照心電圖、心臟超音波為例，大人可以在 10 分鐘內完成，小孩子卻很可能四、五十分鐘還搞不定。