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

File: <base>/training/ptb-xl/g21/HR20748.hea (741 bytes) 
HR20748 12 500 5000
HR20748.mat 16x1+24 1000.0(0)/mv 16 0 105 -17728 0 I
HR20748.mat 16x1+24 1000.0(0)/mv 16 0 -80 -1548 0 II
HR20748.mat 16x1+24 1000.0(0)/mv 16 0 -185 16138 0 III
HR20748.mat 16x1+24 1000.0(0)/mv 16 0 -12 9726 0 aVR
HR20748.mat 16x1+24 1000.0(0)/mv 16 0 145 -16333 0 aVL
HR20748.mat 16x1+24 1000.0(0)/mv 16 0 -132 7737 0 aVF
HR20748.mat 16x1+24 1000.0(0)/mv 16 0 80 -516 0 V1
HR20748.mat 16x1+24 1000.0(0)/mv 16 0 345 -28625 0 V2
HR20748.mat 16x1+24 1000.0(0)/mv 16 0 370 -23110 0 V3
HR20748.mat 16x1+24 1000.0(0)/mv 16 0 170 -67 0 V4
HR20748.mat 16x1+24 1000.0(0)/mv 16 0 -20 25203 0 V5
HR20748.mat 16x1+24 1000.0(0)/mv 16 0 -70 14928 0 V6
# Age: 70
# Sex: Female
# Dx: 426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown