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. 2021 Apr 30;2021:6649970. doi: 10.1155/2021/6649970

Table 3.

The number of heartbeats, retrieved from the MIT-BIH database and used in the experiments, for each AAMI heartbeat class.

AAMI heartbeat class Number of heartbeats retrieved from MIT-BIH Number of MIT-BIH heartbeats used as a test set
N 73,564 36,727
V 24,122 12,219
S 3,880 1,835
F 586 300
Q 20 5
102,172 (in total) 51,086 (in total)