The frequency and severity of the recurrent episodes vary greatly.

复发的频率和复发症状的严重程度在不同的人之中差别非常大。

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Persistent AF may be either the first presentation of AF or the result of recurrent episodes of paroxysmal AF.

房颤首次发作有可能就是持续性房颤，但是阵发性房颤复发也有可能引起持续性房颤。

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The classic form of the illness, which involves recurrent episodes of mania and depression, is called bipolar I disorder.

这种疾病的典型形式包含周期性的躁狂和抑郁，称为双相I型。

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Recurrent episodes may occur in the same place or on other parts of the body.

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But some have recurrent episodes, and need surgery to remove their gallbladder.

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Bipolar disorder is a mental disorder that presents with recurrent episodes of mood instability of feeling 'high' (mania or hypomania) and 'low' (depression).

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