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

File: <base>/training/ningbo/g11/JS20793.hea (768 bytes) 
JS20793 12 500 5000
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JS20793.mat 16x1+24 1000.0(0)/mV 16 0 -59 29910 0 II
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JS20793.mat 16x1+24 1000.0(0)/mV 16 0 -20 17110 0 aVF
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JS20793.mat 16x1+24 1000.0(0)/mV 16 0 -127 30430 0 V2
JS20793.mat 16x1+24 1000.0(0)/mV 16 0 -88 -27837 0 V3
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JS20793.mat 16x1+24 1000.0(0)/mV 16 0 -268 3168 0 V5
JS20793.mat 16x1+24 1000.0(0)/mV 16 0 307 6953 0 V6
# Age: 84
# Sex: Male
# Dx: 284470004,427084000,429622005,55930002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown