Will Two Do? Varying Dimensions in Electrocardiography: The PhysioNet/Computing in Cardiology Challenge 2021 1.0.3

File: <base>/training/ptb-xl/g8/HR07456.hea (744 bytes) 
HR07456 12 500 5000
HR07456.mat 16x1+24 1000.0(0)/mv 16 0 -10 1622 0 I
HR07456.mat 16x1+24 1000.0(0)/mv 16 0 -25 -14414 0 II
HR07456.mat 16x1+24 1000.0(0)/mv 16 0 -15 -16067 0 III
HR07456.mat 16x1+24 1000.0(0)/mv 16 0 18 6835 0 aVR
HR07456.mat 16x1+24 1000.0(0)/mv 16 0 3 9208 0 aVL
HR07456.mat 16x1+24 1000.0(0)/mv 16 0 -20 -14790 0 aVF
HR07456.mat 16x1+24 1000.0(0)/mv 16 0 -20 -8648 0 V1
HR07456.mat 16x1+24 1000.0(0)/mv 16 0 -40 272 0 V2
HR07456.mat 16x1+24 1000.0(0)/mv 16 0 -15 -10102 0 V3
HR07456.mat 16x1+24 1000.0(0)/mv 16 0 95 30411 0 V4
HR07456.mat 16x1+24 1000.0(0)/mv 16 0 75 13140 0 V5
HR07456.mat 16x1+24 1000.0(0)/mv 16 0 -95 -18211 0 V6
# Age: 74
# Sex: Male
# Dx: 164909002,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown