Extreme Learning Machine for Heartbeat Classification with Hybrid Time-Domain and Wavelet Time-Frequency Features

Table 1

The detailed description of the MIT-BIH arrhythmia dataset.

Heartbeat type	Abbreviation	Annotation
Normal beat	NOR	N
Left bundle branch block	LBBB	L
Right bundle branch block	RBBB	R
Atrial premature contraction	APC	A
Premature ventricular contraction	PVC	V
Paced beat	PACE	/
Aberrated atrial premature beat	AP	a
Ventricular flutter wave	VF	!
Fusion of ventricular and normal beat	VFN	F
Blocked atrial premature beat	BAP	x
Nodal (junctional) escape beat	NE	j
Fusion of paced and normal beat	FPN	f
Ventricular escape beat	VE	E
Nodal (junctional) premature beat	NP	J
Atrial escape beat	AE	e
Unclassifiable beat	UN	Q
Total	—	16