PMC4534995_01
An electrocardiogram shows slight depression of ST segments and inverted T waves in Lead I, aVL and V4-6 during an angina episode.
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The electrocardiogram was normal at rest and showed slight depression of the ST segments and inverted T waves in Leads I, aVL and V4 through V6 during the angina episodes (Fig. 1).
A profound decrease in distal coronary pressure after left coronary engagement is seen, with the appearance of ST-T wave changes in monitoring the electrocardiogram.
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The shallow LAO projection with mild craniocaudal tilt of the left coronary angiography demonstrates the critical stenosis of the left main coronary ostium.
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But a shallow LAO projection with a mild craniocaudal tilt of the left coronary angiography demonstrated a critical stenosis of the left main coronary ostium (Fig. 3).