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

File: <base>/training/ptb-xl/g18/HR17781.hea (774 bytes) 
HR17781 12 500 5000
HR17781.mat 16x1+24 1000.0(0)/mv 16 0 -120 104 0 I
HR17781.mat 16x1+24 1000.0(0)/mv 16 0 -80 3968 0 II
HR17781.mat 16x1+24 1000.0(0)/mv 16 0 40 3834 0 III
HR17781.mat 16x1+24 1000.0(0)/mv 16 0 100 -2315 0 aVR
HR17781.mat 16x1+24 1000.0(0)/mv 16 0 -80 -1825 0 aVL
HR17781.mat 16x1+24 1000.0(0)/mv 16 0 -20 3964 0 aVF
HR17781.mat 16x1+24 1000.0(0)/mv 16 0 455 5221 0 V1
HR17781.mat 16x1+24 1000.0(0)/mv 16 0 -75 18600 0 V2
HR17781.mat 16x1+24 1000.0(0)/mv 16 0 -50 803 0 V3
HR17781.mat 16x1+24 1000.0(0)/mv 16 0 -360 -9342 0 V4
HR17781.mat 16x1+24 1000.0(0)/mv 16 0 -105 17375 0 V5
HR17781.mat 16x1+24 1000.0(0)/mv 16 0 270 19149 0 V6
# Age: 74
# Sex: Female
# Dx: 164861001,164873001,426783006,429622005,59931005
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown