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

File: <base>/training/ningbo/g25/JS34691.hea (763 bytes) 
JS34691 12 500 5000
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JS34691.mat 16x1+24 1000.0(0)/mV 16 0 -361 -11877 0 V6
# Age: 0
# Sex: Female
# Dx: 426783006,164934002,427393009
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown