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

File: <base>/training/ningbo/g3/JS13362.hea (756 bytes) 
JS13362 12 500 5000
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JS13362.mat 16x1+24 1000.0(0)/mV 16 0 -551 -12343 0 aVL
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JS13362.mat 16x1+24 1000.0(0)/mV 16 0 132 -23152 0 V2
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JS13362.mat 16x1+24 1000.0(0)/mV 16 0 127 25283 0 V4
JS13362.mat 16x1+24 1000.0(0)/mV 16 0 102 31612 0 V5
JS13362.mat 16x1+24 1000.0(0)/mV 16 0 93 28156 0 V6
# Age: 85
# Sex: Male
# Dx: 164890007,55930002,713427006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown