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

File: <base>/training/chapman_shaoxing/g1/JS00931.hea (746 bytes) 
JS00931 12 500 5000
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JS00931.mat 16x1+24 1000.0(0)/mV 16 0 -10 9672 0 II
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JS00931.mat 16x1+24 1000.0(0)/mV 16 0 -34 -15898 0 aVF
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JS00931.mat 16x1+24 1000.0(0)/mV 16 0 -29 25353 0 V2
JS00931.mat 16x1+24 1000.0(0)/mV 16 0 -24 18351 0 V3
JS00931.mat 16x1+24 1000.0(0)/mV 16 0 10 17544 0 V4
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JS00931.mat 16x1+24 1000.0(0)/mV 16 0 -34 8927 0 V6
# Age: 67
# Sex: Female
# Dx: 426177001,164934002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown