恐慌症的发作可能延续几分钟或几个小时。
The panic attacks may last for a few minutes or several hours.
心脏病的发作有可能直接危及患者的生命安全。
The heart attacks may directly endanger the patient lives.
年龄，性别及多种症状是区别恐慌症发作与心绞痛发作的三大因素。
Age, sex and the multiplicity of symptom are the three main factors to distinguish the panic attacks from heart attacks.
对引起恐慌症发作的原因说法不一，但在两点上很相似。
There different explanations as to the causes of panic attacks, two of which are similar.
恐慌症发作的症状与心脏病发作的症状很相似，以致许多患者认为他们有心脏病。
The symptoms of panic attacks bear such remarkable similarly to those of heart attacks that many victims believe that they are having a heart disease.