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

File: <base>/training/georgia/g8/E07857.hea (707 bytes) 
E07857 12 500 5000
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E07857.mat 16x1+24 1000.0(0)/mV 16 0 -19 20463 0 V4
E07857.mat 16x1+24 1000.0(0)/mV 16 0 19 -321 0 V5
E07857.mat 16x1+24 1000.0(0)/mV 16 0 -9 -19742 0 V6
# Age: 70
# Sex: Female
# Dx: 426783006
# Rx: Unknown
# Hx: Unknown