Stay alert to serious symptoms, such as chest pain or pressure, severe shortness of breath or dizziness, or faintness, and seek medical attention immediately.

要对胸痛、胸闷、严重呼吸急促、头晕、晕厥等严重的症状保持警惕，并立即就医。

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The symptoms of indigestion may resemble other medical conditions, such as chest pain. Always consult your physician for a diagnosis.

消化不良的症状可能和其他的病症相似，比如胸痛。总要与你的医生商讨，明确诊断。

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Shortness of breath or chest pain may also be a sign that you're at risk of sudden cardiac death, but these are rare and may be a sign of other health problems in young people, such as asthma.

呼吸紧促或胸口痛也可以说明你有心脏猝死的危险，但是这样的可能性很小，而且这也可能是年轻人有其它健康问题的一个信号，比如哮喘。

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Dr. GERBER: You're probably going to want to make that investment in a patient that truly has something to gain, and those would be the patients who already have signs or symptoms of heart (unintelligible) disease: Such as chest pain, or shortness of breath or exercise intolerance.

NPR: Study: Heart CT Scans May Pose Risk

It will enroll 10, 000 people who already have heart trouble, such as past heart attacks or chest pain.

FORBES: Merck, Schering Launch Huge Heart-Drug Test