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Jyutping sam1 gei1 gang2 sei2
Pinyin xīn jī gěng sǐ

Definitions (CC-CEDICT)
  1. myocardial infarction
  2. heart attack
Definitions (Wiktionary)
  1. noun
    myocardial infarction; heart attack
    (syn.) 心肌梗塞
Definitions (兩岸三地生活差異詞語彙編—Two Shores Three Places)
  1. 疾病症狀:臺
    心肌梗塞
  2. 疾病症狀:陸
    心梗、心肌梗死、心肌梗塞