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

File: <base>/training/chapman_shaoxing/g1/JS00061.hea (739 bytes) 
JS00061 12 500 5000
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JS00061.mat 16x1+24 1000.0(0)/mV 16 0 -20 -11351 0 II
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JS00061.mat 16x1+24 1000.0(0)/mV 16 0 -39 11409 0 V3
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JS00061.mat 16x1+24 1000.0(0)/mV 16 0 -98 -17769 0 V6
# Age: 71
# Sex: Male
# Dx: 426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown