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

File: <base>/training/georgia/g10/E09909.hea (728 bytes) 
E09909 12 500 5000
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E09909.mat 16x1+24 1000.0(0)/mV 16 0 -53 13845 0 aVF
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E09909.mat 16x1+24 1000.0(0)/mV 16 0 -29 25678 0 V3
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E09909.mat 16x1+24 1000.0(0)/mV 16 0 -19 -9231 0 V6
# Age: NaN
# Sex: Male
# Dx: 59118001,39732003,426177001
# Rx: Unknown
# Hx: Unknown