yī / shēng / tí / xǐng / gāo / wēi / huàn / zhě / zhù / yì / yù / fáng / xīn / jī / gěng / sǐ医生提醒高危患者注意预防心肌梗死。The doctor reminded high-risk patients to take precautions against myocardial infarction.