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

File: <base>/training/ptb-xl/g21/HR20776.hea (765 bytes) 
HR20776 12 500 5000
HR20776.mat 16x1+24 1000.0(0)/mv 16 0 -1205 17621 0 I
HR20776.mat 16x1+24 1000.0(0)/mv 16 0 -1150 18888 0 II
HR20776.mat 16x1+24 1000.0(0)/mv 16 0 55 1220 0 III
HR20776.mat 16x1+24 1000.0(0)/mv 16 0 1177 -18597 0 aVR
HR20776.mat 16x1+24 1000.0(0)/mv 16 0 -630 7872 0 aVL
HR20776.mat 16x1+24 1000.0(0)/mv 16 0 -547 9792 0 aVF
HR20776.mat 16x1+24 1000.0(0)/mv 16 0 -355 178 0 V1
HR20776.mat 16x1+24 1000.0(0)/mv 16 0 -365 -329 0 V2
HR20776.mat 16x1+24 1000.0(0)/mv 16 0 -360 2456 0 V3
HR20776.mat 16x1+24 1000.0(0)/mv 16 0 -450 -9031 0 V4
HR20776.mat 16x1+24 1000.0(0)/mv 16 0 -405 4823 0 V5
HR20776.mat 16x1+24 1000.0(0)/mv 16 0 -425 -2907 0 V6
# Age: 47
# Sex: Female
# Dx: 164934002,39732003,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown