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

File: <base>/training/ptb-xl/g21/HR20458.hea (742 bytes) 
HR20458 12 500 5000
HR20458.mat 16x1+24 1000.0(0)/mv 16 0 -45 2932 0 I
HR20458.mat 16x1+24 1000.0(0)/mv 16 0 5 28073 0 II
HR20458.mat 16x1+24 1000.0(0)/mv 16 0 50 25094 0 III
HR20458.mat 16x1+24 1000.0(0)/mv 16 0 20 -15184 0 aVR
HR20458.mat 16x1+24 1000.0(0)/mv 16 0 -48 -10482 0 aVL
HR20458.mat 16x1+24 1000.0(0)/mv 16 0 27 27099 0 aVF
HR20458.mat 16x1+24 1000.0(0)/mv 16 0 15 -10186 0 V1
HR20458.mat 16x1+24 1000.0(0)/mv 16 0 -40 3841 0 V2
HR20458.mat 16x1+24 1000.0(0)/mv 16 0 -75 6126 0 V3
HR20458.mat 16x1+24 1000.0(0)/mv 16 0 -50 9872 0 V4
HR20458.mat 16x1+24 1000.0(0)/mv 16 0 -25 11761 0 V5
HR20458.mat 16x1+24 1000.0(0)/mv 16 0 -60 -6137 0 V6
# Age: 15
# Sex: Male
# Dx: 426783006,427393009
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown