Fig. 1.

Cohort definition schematics for the three ECG-AI models developed herein, which are further detailed in the Methods section. A) Coronary artery calcium scoring from coronary CTs. B) Obstructive coronary artery diseases from coronary angiography, angioplasty and bypass grafting. C) Resting left ventricular akinesis identified via echocardiography. ACS: acute coronary syndrome; CABG: coronary artery bypass graft surgery, CAD-RADS: coronary artery disease reporting and data system, CT: computed tomography, ECG: electrocardiogram; LBBB: left bundle branch block.