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

File: <base>/training/ningbo/g10/JS20257.hea (784 bytes) 
JS20257 12 500 5000
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# Age: 61
# Sex: Male
# Dx: 284470004,59118001,427084000,55827005,164934002,39732003,427172004
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown