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All included patients from participating hospitals must have undergone a digital 12-lead electrocardiogram (ECG) and an echocardiogram with assessment of LVEF within seven days. The AI-ECG algorithm will be applied to evaluate its diagnostic performance, which will be further assessed across subgroups stratified by demographic characteristics and clinical factors.",[131],"Cardiac Disease",[133,134],"left ventricular dysfunction","artificial intelligence","NOT_YET_RECRUITING","2025-06-25",{"date":138,"type":139},"2025-06-26","ACTUAL",{"date":141,"type":127},"2025-08-01",{"date":143,"type":127},"2025-09-30",{"name":5,"class":6},13]