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

File: <base>/training/chapman_shaoxing/g5/JS04767.hea (745 bytes) 
JS04767 12 500 5000
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JS04767.mat 16x1+24 1000.0(0)/mV 16 0 68 20958 0 V2
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# Age: 85
# Sex: Female
# Dx: 427084000,270492004
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown