When present alone, or together with elevated ST segment or t wave, patients were at high risk of cardial sudden death.

在急性心脏缺血事件中J波单独出现，或与ST段抬高，或与T波电交替同时出现时均是心脏猝死的高危预警指标。

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When present alone, or together with elevated ST segment or t wave, patients were at high risk of cardial sudden death.

在急性心脏缺血事件中J波单独出现，或与ST段抬高，或与T波电交替同时出现时均是心脏猝死的高危预警指标。

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