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

File: <base>/training/ningbo/g25/JS34772.hea (760 bytes) 
JS34772 12 500 5000
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JS34772.mat 16x1+24 1000.0(0)/mV 16 0 10 14957 0 aVF
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JS34772.mat 16x1+24 1000.0(0)/mV 16 0 -29 18394 0 V2
JS34772.mat 16x1+24 1000.0(0)/mV 16 0 -34 19453 0 V3
JS34772.mat 16x1+24 1000.0(0)/mV 16 0 -44 21386 0 V4
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JS34772.mat 16x1+24 1000.0(0)/mV 16 0 -24 29732 0 V6
# Age: 81
# Sex: Female
# Dx: 426783006,164934002,427393009
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown