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

File: <base>/training/ptb-xl/g18/HR17877.hea (754 bytes) 
HR17877 12 500 5000
HR17877.mat 16x1+24 1000.0(0)/mv 16 0 -45 6410 0 I
HR17877.mat 16x1+24 1000.0(0)/mv 16 0 -45 3364 0 II
HR17877.mat 16x1+24 1000.0(0)/mv 16 0 0 -3066 0 III
HR17877.mat 16x1+24 1000.0(0)/mv 16 0 45 -5135 0 aVR
HR17877.mat 16x1+24 1000.0(0)/mv 16 0 -22 4855 0 aVL
HR17877.mat 16x1+24 1000.0(0)/mv 16 0 -22 -241 0 aVF
HR17877.mat 16x1+24 1000.0(0)/mv 16 0 35 -8457 0 V1
HR17877.mat 16x1+24 1000.0(0)/mv 16 0 120 24657 0 V2
HR17877.mat 16x1+24 1000.0(0)/mv 16 0 45 25667 0 V3
HR17877.mat 16x1+24 1000.0(0)/mv 16 0 400 7435 0 V4
HR17877.mat 16x1+24 1000.0(0)/mv 16 0 45 27108 0 V5
HR17877.mat 16x1+24 1000.0(0)/mv 16 0 -55 -6418 0 V6
# Age: 85
# Sex: Female
# Dx: 426783006,55930002,67741000119109
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown