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

File: <base>/training/ptb-xl/g21/HR20267.hea (748 bytes) 
HR20267 12 500 5000
HR20267.mat 16x1+24 1000.0(0)/mv 16 0 -255 -10204 0 I
HR20267.mat 16x1+24 1000.0(0)/mv 16 0 -285 5877 0 II
HR20267.mat 16x1+24 1000.0(0)/mv 16 0 -30 16070 0 III
HR20267.mat 16x1+24 1000.0(0)/mv 16 0 270 1658 0 aVR
HR20267.mat 16x1+24 1000.0(0)/mv 16 0 -112 -13254 0 aVL
HR20267.mat 16x1+24 1000.0(0)/mv 16 0 -157 10709 0 aVF
HR20267.mat 16x1+24 1000.0(0)/mv 16 0 210 11228 0 V1
HR20267.mat 16x1+24 1000.0(0)/mv 16 0 230 -14114 0 V2
HR20267.mat 16x1+24 1000.0(0)/mv 16 0 0 -30041 0 V3
HR20267.mat 16x1+24 1000.0(0)/mv 16 0 90 21506 0 V4
HR20267.mat 16x1+24 1000.0(0)/mv 16 0 50 8709 0 V5
HR20267.mat 16x1+24 1000.0(0)/mv 16 0 55 -1678 0 V6
# Age: 58
# Sex: Male
# Dx: 39732003,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown