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

File: <base>/training/ningbo/g12/JS22384.hea (753 bytes) 
JS22384 12 500 5000
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JS22384.mat 16x1+24 1000.0(0)/mV 16 0 -224 31353 0 V2
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JS22384.mat 16x1+24 1000.0(0)/mV 16 0 -44 19333 0 V6
# Age: 74
# Sex: Female
# Dx: 111975006,55930002,29320008
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown