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

File: <base>/training/ptb-xl/g21/HR20680.hea (768 bytes) 
HR20680 12 500 5000
HR20680.mat 16x1+24 1000.0(0)/mv 16 0 45 -6078 0 I
HR20680.mat 16x1+24 1000.0(0)/mv 16 0 125 -3896 0 II
HR20680.mat 16x1+24 1000.0(0)/mv 16 0 80 2210 0 III
HR20680.mat 16x1+24 1000.0(0)/mv 16 0 -85 4496 0 aVR
HR20680.mat 16x1+24 1000.0(0)/mv 16 0 -18 -4260 0 aVL
HR20680.mat 16x1+24 1000.0(0)/mv 16 0 102 -948 0 aVF
HR20680.mat 16x1+24 1000.0(0)/mv 16 0 -10 -12801 0 V1
HR20680.mat 16x1+24 1000.0(0)/mv 16 0 0 1961 0 V2
HR20680.mat 16x1+24 1000.0(0)/mv 16 0 10 4385 0 V3
HR20680.mat 16x1+24 1000.0(0)/mv 16 0 45 -3800 0 V4
HR20680.mat 16x1+24 1000.0(0)/mv 16 0 130 -12570 0 V5
HR20680.mat 16x1+24 1000.0(0)/mv 16 0 65 970 0 V6
# Age: 73
# Sex: Female
# Dx: 164861001,164873001,164884008,39732003,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown