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

File: <base>/training/ptb-xl/g4/HR03250.hea (768 bytes) 
HR03250 12 500 5000
HR03250.mat 16x1+24 1000.0(0)/mv 16 0 10 -28481 0 I
HR03250.mat 16x1+24 1000.0(0)/mv 16 0 -70 -25214 0 II
HR03250.mat 16x1+24 1000.0(0)/mv 16 0 -80 3258 0 III
HR03250.mat 16x1+24 1000.0(0)/mv 16 0 30 26805 0 aVR
HR03250.mat 16x1+24 1000.0(0)/mv 16 0 45 -15696 0 aVL
HR03250.mat 16x1+24 1000.0(0)/mv 16 0 -75 -10851 0 aVF
HR03250.mat 16x1+24 1000.0(0)/mv 16 0 185 15396 0 V1
HR03250.mat 16x1+24 1000.0(0)/mv 16 0 145 -3849 0 V2
HR03250.mat 16x1+24 1000.0(0)/mv 16 0 65 -22571 0 V3
HR03250.mat 16x1+24 1000.0(0)/mv 16 0 140 -24284 0 V4
HR03250.mat 16x1+24 1000.0(0)/mv 16 0 -20 -16371 0 V5
HR03250.mat 16x1+24 1000.0(0)/mv 16 0 -120 -18384 0 V6
# Age: 78
# Sex: Male
# Dx: 164934002,426783006,67741000119109
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown