高危

gāo wēi bìng rén

高危病人

patient in a critical condition

guān xīn bìng de gāo wēi rén qún

冠心病的高危人群

group of people at high risk of coronary disease

gāo wēi dì qū

高危地区

area of high risk

gāi jì shù jǐn xiàn yú yòng zài gāo wēi bìng rén shēn shang

该技术仅限于用在高危病人身上。

The technique should be limited to high-risk patients.