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

File: <base>/training/ningbo/g9/JS18923.hea (759 bytes) 
JS18923 12 500 5000
JS18923.mat 16x1+24 1000.0(0)/mV 16 0 15 -347 0 I
JS18923.mat 16x1+24 1000.0(0)/mV 16 0 -83 -8316 0 II
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JS18923.mat 16x1+24 1000.0(0)/mV 16 0 -93 19213 0 aVF
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JS18923.mat 16x1+24 1000.0(0)/mV 16 0 107 27570 0 V2
JS18923.mat 16x1+24 1000.0(0)/mV 16 0 142 15140 0 V3
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JS18923.mat 16x1+24 1000.0(0)/mV 16 0 -15 -31309 0 V6
# Age: 69
# Sex: Female
# Dx: 164873001,55930002,164890007
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown