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Table 1 A priori probabilities derived from the MIT-BIH Arrhythmia Database.

From: A new methodology for assessment of the performance of heartbeat classification systems

j

ω j

c j

P(ω j )

0

Not a Beat

577

.

1 (N)

Normal Beat

46097

0.9670

2 (SVEB)

Supra Ventricular Ectopic Beat

192

0.0040

3 (VEB)

Ventricular Ectopic Beat

1345

0.2800

4 (F)

Fusion of Normal and VEB

13

0.0002

5 (Q)

Unclassified Beat

0

0.00