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

File: <base>/training/ptb-xl/g21/HR20451.hea (780 bytes) 
HR20451 12 500 5000
HR20451.mat 16x1+24 1000.0(0)/mv 16 0 -60 21882 0 I
HR20451.mat 16x1+24 1000.0(0)/mv 16 0 -100 -20104 0 II
HR20451.mat 16x1+24 1000.0(0)/mv 16 0 -40 23583 0 III
HR20451.mat 16x1+24 1000.0(0)/mv 16 0 80 -831 0 aVR
HR20451.mat 16x1+24 1000.0(0)/mv 16 0 -10 32164 0 aVL
HR20451.mat 16x1+24 1000.0(0)/mv 16 0 -70 -30807 0 aVF
HR20451.mat 16x1+24 1000.0(0)/mv 16 0 185 -28809 0 V1
HR20451.mat 16x1+24 1000.0(0)/mv 16 0 100 -20281 0 V2
HR20451.mat 16x1+24 1000.0(0)/mv 16 0 135 -22759 0 V3
HR20451.mat 16x1+24 1000.0(0)/mv 16 0 80 3272 0 V4
HR20451.mat 16x1+24 1000.0(0)/mv 16 0 130 3085 0 V5
HR20451.mat 16x1+24 1000.0(0)/mv 16 0 30 14296 0 V6
# Age: 50
# Sex: Female
# Dx: 164861001,164865005,164951009,39732003,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown