There had been no sign of either breathlessness or chest pain before the heart attack.
心脏病发前并未出现呼吸困难或胸痛的病征。
I have cough and chest pain. I have no appetite and feel very weak.
病人：我咳嗽胸痛，没有胃口，感到疲劳。
Although atypical chest pain may be debilitating, there is no objective evidence that it indicates serious heart disease, except when due to disease of the great vessels or to pulmonary embolism.
尽管非典型性胸痛有损健康，由此确定其为严重心脏病缺仍乏客观证据，除非这是由大血管病变或肺栓塞所引起的。
"Sometimes I can feel the pain while I work, " he said. "My chest hurts, and I have no energy. "
“干活时也不时会感觉到痛，”他说。“我的胸口疼，浑身没力气。”
"Sometimes I can feel the pain while I work, " he said. "My chest hurts, and I have no energy. "
“干活时也不时会感觉到痛，”他说。“我的胸口疼，浑身没力气。”
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