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

File: <base>/training/ptb-xl/g8/HR07857.hea (750 bytes) 
HR07857 12 500 5000
HR07857.mat 16x1+24 1000.0(0)/mv 16 0 -40 -3978 0 I
HR07857.mat 16x1+24 1000.0(0)/mv 16 0 80 -9958 0 II
HR07857.mat 16x1+24 1000.0(0)/mv 16 0 120 -5979 0 III
HR07857.mat 16x1+24 1000.0(0)/mv 16 0 -20 6973 0 aVR
HR07857.mat 16x1+24 1000.0(0)/mv 16 0 -80 1346 0 aVL
HR07857.mat 16x1+24 1000.0(0)/mv 16 0 100 -7719 0 aVF
HR07857.mat 16x1+24 1000.0(0)/mv 16 0 -15 18565 0 V1
HR07857.mat 16x1+24 1000.0(0)/mv 16 0 10 24166 0 V2
HR07857.mat 16x1+24 1000.0(0)/mv 16 0 -15 9848 0 V3
HR07857.mat 16x1+24 1000.0(0)/mv 16 0 -95 8406 0 V4
HR07857.mat 16x1+24 1000.0(0)/mv 16 0 30 15841 0 V5
HR07857.mat 16x1+24 1000.0(0)/mv 16 0 -50 -11983 0 V6
# Age: 73
# Sex: Female
# Dx: 426177001,67741000119109
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown