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

File: <base>/training/ptb-xl/g10/HR09264.hea (756 bytes) 
HR09264 12 500 5000
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HR09264.mat 16x1+24 1000.0(0)/mv 16 0 -15 -27456 0 III
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HR09264.mat 16x1+24 1000.0(0)/mv 16 0 -17 -20067 0 aVF
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HR09264.mat 16x1+24 1000.0(0)/mv 16 0 35 -15852 0 V2
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HR09264.mat 16x1+24 1000.0(0)/mv 16 0 70 -24651 0 V6
# Age: 51
# Sex: Male
# Dx: 164861001,39732003,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown