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

File: <base>/training/ptb-xl/g21/HR20503.hea (764 bytes) 
HR20503 12 500 5000
HR20503.mat 16x1+24 1000.0(0)/mv 16 0 -110 21504 0 I
HR20503.mat 16x1+24 1000.0(0)/mv 16 0 75 18109 0 II
HR20503.mat 16x1+24 1000.0(0)/mv 16 0 185 -3388 0 III
HR20503.mat 16x1+24 1000.0(0)/mv 16 0 17 11958 0 aVR
HR20503.mat 16x1+24 1000.0(0)/mv 16 0 -148 11924 0 aVL
HR20503.mat 16x1+24 1000.0(0)/mv 16 0 130 -26297 0 aVF
HR20503.mat 16x1+24 1000.0(0)/mv 16 0 230 21723 0 V1
HR20503.mat 16x1+24 1000.0(0)/mv 16 0 95 15797 0 V2
HR20503.mat 16x1+24 1000.0(0)/mv 16 0 80 18543 0 V3
HR20503.mat 16x1+24 1000.0(0)/mv 16 0 85 25665 0 V4
HR20503.mat 16x1+24 1000.0(0)/mv 16 0 50 14084 0 V5
HR20503.mat 16x1+24 1000.0(0)/mv 16 0 45 13310 0 V6
# Age: 61
# Sex: Male
# Dx: 251120003,39732003,426783006,445118002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown