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Fig. 1 | Insights into Imaging

Fig. 1

From: Post-systolic shortening is superior to global longitudinal strain in predicting adverse events in patients with stable coronary artery disease and preserved systolic function

Fig. 1

Representative cases. The bull’s eye map of post-systolic index (PSI) and longitudinal strain curves of six myocardial segments in the apical four-chamber view of the patients without (A, B) and with (C, D) major adverse cardiovascular events during follow-up. Both patients showed normal global longitudinal strain (GLS) and left ventricular ejection fraction (LVEF). A Normal bull’s eye map of PSI with an average value of 3.3%. B Normal strain curves with little or no sign of post-systolic shortening (PSS). C Abnormal bull’s eye map of PSI with an increased average value of 16.0%. D Abnormal strain curves where the green segment exhibits obvious PSS

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