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Figure 4 The percentage of patients with decreased HF-QRS (white bars) and increased HF-QRS (black bars) during inflation in each individual lead. The 37 patients with high-frequency data available from all 12 leads in the LAD (panel A), the LCX (panel B), and the RCA (panel C) groups 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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