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Figure 5 The relationship between the maximal ST elevation in any lead and the maximal decrease in HF-QRS in any lead, r = –0.50 (p = 0.002). In eight of the patients (shadowed area) there were significantly decreased HF-QRS but no significant ST elevation. The 37 patients in the LAD, LCX and RCA groups with high-frequency data available from all 12 leads are presented. HF-QRS = high-frequency QRS components, LAD = left anterior descending coronary artery, LCX = left circumflex coronary artery, RCA = right coronary artery.
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