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

File: <base>/training/ptb-xl/g1/HR00281.hea (750 bytes) 
HR00281 12 500 5000
HR00281.mat 16x1+24 1000.0(0)/mv 16 0 -55 16340 0 I
HR00281.mat 16x1+24 1000.0(0)/mv 16 0 95 27008 0 II
HR00281.mat 16x1+24 1000.0(0)/mv 16 0 150 10677 0 III
HR00281.mat 16x1+24 1000.0(0)/mv 16 0 -20 -22561 0 aVR
HR00281.mat 16x1+24 1000.0(0)/mv 16 0 -103 2178 0 aVL
HR00281.mat 16x1+24 1000.0(0)/mv 16 0 122 17969 0 aVF
HR00281.mat 16x1+24 1000.0(0)/mv 16 0 255 -350 0 V1
HR00281.mat 16x1+24 1000.0(0)/mv 16 0 315 19765 0 V2
HR00281.mat 16x1+24 1000.0(0)/mv 16 0 310 13213 0 V3
HR00281.mat 16x1+24 1000.0(0)/mv 16 0 205 26521 0 V4
HR00281.mat 16x1+24 1000.0(0)/mv 16 0 125 11979 0 V5
HR00281.mat 16x1+24 1000.0(0)/mv 16 0 180 15574 0 V6
# Age: 81
# Sex: Female
# Dx: 164865005,445118002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown