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

File: <base>/training/ningbo/g31/JS41521.hea (756 bytes) 
JS41521 12 500 5000
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JS41521.mat 16x1+24 1000.0(0)/mV 16 0 -93 16479 0 II
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JS41521.mat 16x1+24 1000.0(0)/mV 16 0 54 -8680 0 aVL
JS41521.mat 16x1+24 1000.0(0)/mV 16 0 -98 7703 0 aVF
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JS41521.mat 16x1+24 1000.0(0)/mV 16 0 -39 2235 0 V2
JS41521.mat 16x1+24 1000.0(0)/mV 16 0 -98 20738 0 V3
JS41521.mat 16x1+24 1000.0(0)/mV 16 0 -107 16983 0 V4
JS41521.mat 16x1+24 1000.0(0)/mV 16 0 -117 25157 0 V5
JS41521.mat 16x1+24 1000.0(0)/mV 16 0 -112 25680 0 V6
# Age: 85
# Sex: Male
# Dx: 251223006,427084000,55930002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown