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

File: <base>/training/ningbo/g7/JS17270.hea (764 bytes) 
JS17270 12 500 5000
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JS17270.mat 16x1+24 1000.0(0)/mV 16 0 942 22951 0 II
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JS17270.mat 16x1+24 1000.0(0)/mV 16 0 556 4319 0 aVF
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JS17270.mat 16x1+24 1000.0(0)/mV 16 0 -459 -4909 0 V2
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JS17270.mat 16x1+24 1000.0(0)/mV 16 0 1244 20781 0 V6
# Age: 77
# Sex: Female
# Dx: 164890007,164934002,59931005
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown