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

File: <base>/training/ptb-xl/g1/HR00346.hea (777 bytes) 
HR00346 12 500 5000
HR00346.mat 16x1+24 1000.0(0)/mv 16 0 -255 24882 0 I
HR00346.mat 16x1+24 1000.0(0)/mv 16 0 195 6470 0 II
HR00346.mat 16x1+24 1000.0(0)/mv 16 0 450 -18410 0 III
HR00346.mat 16x1+24 1000.0(0)/mv 16 0 30 -15990 0 aVR
HR00346.mat 16x1+24 1000.0(0)/mv 16 0 -353 21594 0 aVL
HR00346.mat 16x1+24 1000.0(0)/mv 16 0 322 -6225 0 aVF
HR00346.mat 16x1+24 1000.0(0)/mv 16 0 365 9744 0 V1
HR00346.mat 16x1+24 1000.0(0)/mv 16 0 595 -30291 0 V2
HR00346.mat 16x1+24 1000.0(0)/mv 16 0 455 -14155 0 V3
HR00346.mat 16x1+24 1000.0(0)/mv 16 0 -25 -17952 0 V4
HR00346.mat 16x1+24 1000.0(0)/mv 16 0 -130 16772 0 V5
HR00346.mat 16x1+24 1000.0(0)/mv 16 0 -100 -4830 0 V6
# Age: NaN
# Sex: Female
# Dx: 164909002,270492004,39732003,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown