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

File: <base>/training/ptb-xl/g4/HR03123.hea (771 bytes) 
HR03123 12 500 5000
HR03123.mat 16x1+24 1000.0(0)/mv 16 0 90 1413 0 I
HR03123.mat 16x1+24 1000.0(0)/mv 16 0 85 26974 0 II
HR03123.mat 16x1+24 1000.0(0)/mv 16 0 -5 25558 0 III
HR03123.mat 16x1+24 1000.0(0)/mv 16 0 -87 -14577 0 aVR
HR03123.mat 16x1+24 1000.0(0)/mv 16 0 47 -12410 0 aVL
HR03123.mat 16x1+24 1000.0(0)/mv 16 0 40 25680 0 aVF
HR03123.mat 16x1+24 1000.0(0)/mv 16 0 200 9494 0 V1
HR03123.mat 16x1+24 1000.0(0)/mv 16 0 125 9025 0 V2
HR03123.mat 16x1+24 1000.0(0)/mv 16 0 -25 4831 0 V3
HR03123.mat 16x1+24 1000.0(0)/mv 16 0 80 21755 0 V4
HR03123.mat 16x1+24 1000.0(0)/mv 16 0 5 30147 0 V5
HR03123.mat 16x1+24 1000.0(0)/mv 16 0 -40 -13256 0 V6
# Age: 74
# Sex: Female
# Dx: 164861001,164873001,39732003,427084000,445118002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown