Primary cardiac tumors can mimic many other cardiac conditions and may cause obstruction to blood flow, heart failure, chest pain, syncope, pulmonary hypertension, and arrhythmias.

原发性心脏肿瘤可以产生许多其他心脏病的表现，可能阻塞血流，引起心力衰竭、胸痛、晕厥、肺动脉高压和心律失常等。

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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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However, chest pain is very nonspecific and more than 80 percent of patients with chest pain ultimately suffer from conditions other than AMI.

然而，胸痛症状非常不具有特异性，并且80%以上的胸痛患者最终是由于AMI以外的其他原因引起。

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Everyone over 65 is eligible to receive a flu jab, as well as people with certain chronic medical conditions such as asthma and diabetes which can render them vulnerable to chest infections.

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"Sleep disorders such as sleep apnea can lead to many secondary health conditions, " said Dr. Kalpalatha Guntupalli, president of the American College of Chest Physicians.

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