i	manually determined boundaries and peaks on lead i
ii	manually determined boundaries and peaks on on lead ii
iii	manually determined boundaries and peaks on on lead iii
avr	manually determined boundaries and peaks on on lead avr
avl	manually determined boundaries and peaks on on lead avl
avf	manually determined boundaries and peaks on on lead avf
v1	manually determined boundaries and peaks on on lead v1
v2	manually determined boundaries and peaks on on lead v2
v3	manually determined boundaries and peaks on on lead v3
v4	manually determined boundaries and peaks on on lead v4
v5	manually determined boundaries and peaks on on lead v5
v6	manually determined boundaries and peaks on on lead v6