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

File: <base>/training/ptb-xl/g18/HR17937.hea (768 bytes) 
HR17937 12 500 5000
HR17937.mat 16x1+24 1000.0(0)/mv 16 0 200 -19580 0 I
HR17937.mat 16x1+24 1000.0(0)/mv 16 0 125 21954 0 II
HR17937.mat 16x1+24 1000.0(0)/mv 16 0 -75 -23980 0 III
HR17937.mat 16x1+24 1000.0(0)/mv 16 0 -162 31612 0 aVR
HR17937.mat 16x1+24 1000.0(0)/mv 16 0 137 2361 0 aVL
HR17937.mat 16x1+24 1000.0(0)/mv 16 0 25 31881 0 aVF
HR17937.mat 16x1+24 1000.0(0)/mv 16 0 -50 -7456 0 V1
HR17937.mat 16x1+24 1000.0(0)/mv 16 0 140 26923 0 V2
HR17937.mat 16x1+24 1000.0(0)/mv 16 0 210 22170 0 V3
HR17937.mat 16x1+24 1000.0(0)/mv 16 0 140 -27626 0 V4
HR17937.mat 16x1+24 1000.0(0)/mv 16 0 35 -26558 0 V5
HR17937.mat 16x1+24 1000.0(0)/mv 16 0 60 -18908 0 V6
# Age: 73
# Sex: Female
# Dx: 270492004,426783006,67741000119109
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown