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

File: <base>/training/ningbo/g2/JS11874.hea (754 bytes) 
JS11874 12 500 5000
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JS11874.mat 16x1+24 1000.0(0)/mV 16 0 -29 5083 0 II
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JS11874.mat 16x1+24 1000.0(0)/mV 16 0 -29 -12276 0 aVF
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JS11874.mat 16x1+24 1000.0(0)/mV 16 0 34 9567 0 V2
JS11874.mat 16x1+24 1000.0(0)/mV 16 0 224 12697 0 V3
JS11874.mat 16x1+24 1000.0(0)/mV 16 0 -29 14170 0 V4
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JS11874.mat 16x1+24 1000.0(0)/mV 16 0 10 23624 0 V6
# Age: 52
# Sex: Female
# Dx: 426177001,270492004,427393009
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown