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(A) The high take-off (highest point) of QRS-ST is 2mm above the isoelectric line in most cases. (B) ST-segment morphology, as in previous consensus documents, is coved or concave, but (C) may occasionally be rectilinear. (D) ST-segment morphology shows progressive decline, so the high take-off of the QRS-ST is always higher than 40 ms later and this in turn is higher than after 80 ms.
