JACC -- Watanabe et al. 38 (5): 1328 Figure IG1

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Figure 1 The left anterior descending coronary artery (LAD) flow signal by transthoracic Doppler echocardiography (TTDE). Schematic representation (left) and TTDE image (right) showing normal antegrade LAD flow signal toward the apex (A) and retrograde LAD flow signal toward the base of the heart (B). LV = left ventricle.