This represents 10 ECGs for each of the 6 clinical labels from:
(a) Internal held-out test set
(b) External validation set

• atrial fibrillation (AF)
• sinus tachycardia (ST)
• sinus bradycardia (SB))

• 1st degree AV block (1dAVB)
• Right bundle branch block (RBBB)
• Left bundle branch block (LBBB)

Sangha,V... Khera, R, "Automated Multilabel Diagnosis on Electrocardiographic Images and Signals"