Features per lead
max r amplitude R PEAK TIME
max s amplitude R’ AREA
maximum st level R’ DURATION
minimum st level R’ PEAK AMPLITUDE
p area R’ PEAK TIME
p area full S AREA
p duration S DURATION
p offset S PEAK AMPLITUDE
p onset S PEAK TIME
p onset amplitude SPECIAL T
p peak amplitude ST END ST
p peak time ST J POINT
p’ area ST MID ST
p’ duration S’ AREA
p’ peak amplitude S’ DURATION
p’ peak time S’ PEAK AMPLITUDE
q area S’ PEAK TIME
q duration T AREA
q peak amplitude T AREA FULL
q peak time T DURATION
qrs area T END
qrs balance T PEAK AMPLITUDE
qrs deflection T PEAK TIME
qrs intrinsicoid T’ AREA
R AREA T’ DURATION
R DURATION T’ PEAK AMPLITUDE
R PEAK AMPLITUDE T’ PEAK TIME