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

File: <base>/training/ptb-xl/g3/HR02704.hea (744 bytes) 
HR02704 12 500 5000
HR02704.mat 16x1+24 1000.0(0)/mv 16 0 -40 -1468 0 I
HR02704.mat 16x1+24 1000.0(0)/mv 16 0 65 -10774 0 II
HR02704.mat 16x1+24 1000.0(0)/mv 16 0 105 -9353 0 III
HR02704.mat 16x1+24 1000.0(0)/mv 16 0 -13 6251 0 aVR
HR02704.mat 16x1+24 1000.0(0)/mv 16 0 -73 4032 0 aVL
HR02704.mat 16x1+24 1000.0(0)/mv 16 0 85 -9860 0 aVF
HR02704.mat 16x1+24 1000.0(0)/mv 16 0 -15 13059 0 V1
HR02704.mat 16x1+24 1000.0(0)/mv 16 0 10 2715 0 V2
HR02704.mat 16x1+24 1000.0(0)/mv 16 0 20 14147 0 V3
HR02704.mat 16x1+24 1000.0(0)/mv 16 0 -50 8784 0 V4
HR02704.mat 16x1+24 1000.0(0)/mv 16 0 275 -5469 0 V5
HR02704.mat 16x1+24 1000.0(0)/mv 16 0 10 -10842 0 V6
# Age: 80
# Sex: Female
# Dx: 164934002,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown