Patients in the study took part in an exercise in which they recounted a recent angry episode while Lampert's team did a test called T-Wave Alternans that measures electrical instability in the heart.

郎佩特的研究小组让病人进行一项练习，即讲述最近发生的一件令他们生气的事情，同时通过一种名叫“T波交替”的试验来测量病人心电的不稳定度。

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"Overall in the group, when we did the anger recall protocol, the group as a whole showed an increase in electrical instability, " Lampert said.

CNN: Anger, stress may be linked to heart problems