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

File: <base>/training/ptb-xl/g13/HR12404.hea (770 bytes) 
HR12404 12 500 5000
HR12404.mat 16x1+24 1000.0(0)/mv 16 0 -20 3157 0 I
HR12404.mat 16x1+24 1000.0(0)/mv 16 0 -60 -19040 0 II
HR12404.mat 16x1+24 1000.0(0)/mv 16 0 -40 -22194 0 III
HR12404.mat 16x1+24 1000.0(0)/mv 16 0 40 8024 0 aVR
HR12404.mat 16x1+24 1000.0(0)/mv 16 0 10 12860 0 aVL
HR12404.mat 16x1+24 1000.0(0)/mv 16 0 -50 -20496 0 aVF
HR12404.mat 16x1+24 1000.0(0)/mv 16 0 15 -2559 0 V1
HR12404.mat 16x1+24 1000.0(0)/mv 16 0 45 27626 0 V2
HR12404.mat 16x1+24 1000.0(0)/mv 16 0 15 32642 0 V3
HR12404.mat 16x1+24 1000.0(0)/mv 16 0 -230 25372 0 V4
HR12404.mat 16x1+24 1000.0(0)/mv 16 0 85 4499 0 V5
HR12404.mat 16x1+24 1000.0(0)/mv 16 0 35 -5463 0 V6
# Age: 85
# Sex: Female
# Dx: 164934002,426783006,67741000119109,713426002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown