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

File: <base>/training/ningbo/g15/JS24664.hea (770 bytes) 
JS24664 12 500 5000
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JS24664.mat 16x1+24 1000.0(0)/mV 16 0 -24 18831 0 aVF
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JS24664.mat 16x1+24 1000.0(0)/mV 16 0 532 25902 0 V2
JS24664.mat 16x1+24 1000.0(0)/mV 16 0 561 24194 0 V3
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JS24664.mat 16x1+24 1000.0(0)/mV 16 0 283 -925 0 V6
# Age: 34
# Sex: Male
# Dx: 426177001,164930006,55827005,428417006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown