ST segment is said to be significant when it is raised more than __ mm above the baseline at a point one small square to the right of the J point in the limb leads.

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The ST segment is considered to be significantly elevated when it is raised more than 1 mm above the baseline at a point one small square to the right of the J point in the limb leads. This is a standard criterion used in the diagnosis of conditions like myocardial infarction.

ST Segment Is Said to Be Significant When It Is