An Effective LSTM Recurrent Network to Detect Arrhythmia on Imbalanced ECG Dataset

Table 1

ECG beat types used in this work.

ECG beat types	Annotation	Number of beats
Normal beat	N	75,020
Left bundle branch block	LBBB	8,072
Right bundle branch block	RBBB	7,255
Atrial premature contraction	APC	2,546
Nodal (junctional) escape beat	NESC	229
Aberrated atrial premature beat	ABERR	150
Nodal (junctional) premature beat	NPC	83
Atrial escape beat	AESC	16
Total	—	93,371