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

File: <base>/training/ptb-xl/g13/HR12504.hea (735 bytes) 
HR12504 12 500 5000
HR12504.mat 16x1+24 1000.0(0)/mv 16 0 40 1879 0 I
HR12504.mat 16x1+24 1000.0(0)/mv 16 0 65 11953 0 II
HR12504.mat 16x1+24 1000.0(0)/mv 16 0 25 10045 0 III
HR12504.mat 16x1+24 1000.0(0)/mv 16 0 -53 -6826 0 aVR
HR12504.mat 16x1+24 1000.0(0)/mv 16 0 7 -3761 0 aVL
HR12504.mat 16x1+24 1000.0(0)/mv 16 0 45 11161 0 aVF
HR12504.mat 16x1+24 1000.0(0)/mv 16 0 45 -6904 0 V1
HR12504.mat 16x1+24 1000.0(0)/mv 16 0 100 2257 0 V2
HR12504.mat 16x1+24 1000.0(0)/mv 16 0 165 9128 0 V3
HR12504.mat 16x1+24 1000.0(0)/mv 16 0 110 -5995 0 V4
HR12504.mat 16x1+24 1000.0(0)/mv 16 0 90 7900 0 V5
HR12504.mat 16x1+24 1000.0(0)/mv 16 0 55 89 0 V6
# Age: 57
# Sex: Female
# Dx: 164934002,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown