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

File: <base>/training/ningbo/g30/JS40612.hea (736 bytes) 
JS40612 12 500 5000
JS40612.mat 16x1+24 1000.0(0)/mV 16 0 5 21711 0 I
JS40612.mat 16x1+24 1000.0(0)/mV 16 0 -15 -30353 0 II
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JS40612.mat 16x1+24 1000.0(0)/mV 16 0 5 -22429 0 aVR
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JS40612.mat 16x1+24 1000.0(0)/mV 16 0 -20 17980 0 aVF
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JS40612.mat 16x1+24 1000.0(0)/mV 16 0 -151 -464 0 V2
JS40612.mat 16x1+24 1000.0(0)/mV 16 0 10 17501 0 V3
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JS40612.mat 16x1+24 1000.0(0)/mV 16 0 -39 -31006 0 V6
# Age: 48
# Sex: Female
# Dx: 426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown