Fig. 4: Confusion matrices for image model predictions.
From: Automated multilabel diagnosis on electrocardiographic images and signals

A Held-out test set, B cardiologist-validated test set, and C PTB-XL. 1dAVB 1st degree AV block, AF atrial fibrillation, LBBB left bundle branch block, RBBB right bundle branch block, SB sinus bradycardia, ST sinus tachycardia.