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

File: <base>/training/ningbo/g8/JS17661.hea (736 bytes) 
JS17661 12 500 5000
JS17661.mat 16x1+24 1000.0(0)/mV 16 0 -49 11275 0 I
JS17661.mat 16x1+24 1000.0(0)/mV 16 0 5 6447 0 II
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JS17661.mat 16x1+24 1000.0(0)/mV 16 0 24 -2878 0 aVR
JS17661.mat 16x1+24 1000.0(0)/mV 16 0 -54 1837 0 aVL
JS17661.mat 16x1+24 1000.0(0)/mV 16 0 29 -5306 0 aVF
JS17661.mat 16x1+24 1000.0(0)/mV 16 0 -39 2932 0 V1
JS17661.mat 16x1+24 1000.0(0)/mV 16 0 34 21534 0 V2
JS17661.mat 16x1+24 1000.0(0)/mV 16 0 10 14680 0 V3
JS17661.mat 16x1+24 1000.0(0)/mV 16 0 20 7423 0 V4
JS17661.mat 16x1+24 1000.0(0)/mV 16 0 39 9458 0 V5
JS17661.mat 16x1+24 1000.0(0)/mV 16 0 -54 10622 0 V6
# Age: 73
# Sex: Female
# Dx: 164890007,55930002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown