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

File: <base>/training/ningbo/g4/JS13755.hea (755 bytes) 
JS13755 12 500 5000
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JS13755.mat 16x1+24 1000.0(0)/mV 16 0 20 5223 0 II
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JS13755.mat 16x1+24 1000.0(0)/mV 16 0 -29 -1912 0 V2
JS13755.mat 16x1+24 1000.0(0)/mV 16 0 5 -554 0 V3
JS13755.mat 16x1+24 1000.0(0)/mV 16 0 -20 595 0 V4
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JS13755.mat 16x1+24 1000.0(0)/mV 16 0 -20 11586 0 V6
# Age: 54
# Sex: Male
# Dx: 164934002,164890007,6374002,59931005
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown