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

File: <base>/training/ptb-xl/g21/HR20621.hea (739 bytes) 
HR20621 12 500 5000
HR20621.mat 16x1+24 1000.0(0)/mv 16 0 375 -9800 0 I
HR20621.mat 16x1+24 1000.0(0)/mv 16 0 450 -2626 0 II
HR20621.mat 16x1+24 1000.0(0)/mv 16 0 75 7235 0 III
HR20621.mat 16x1+24 1000.0(0)/mv 16 0 -413 6292 0 aVR
HR20621.mat 16x1+24 1000.0(0)/mv 16 0 150 -7832 0 aVL
HR20621.mat 16x1+24 1000.0(0)/mv 16 0 262 2791 0 aVF
HR20621.mat 16x1+24 1000.0(0)/mv 16 0 -185 -23775 0 V1
HR20621.mat 16x1+24 1000.0(0)/mv 16 0 300 -19714 0 V2
HR20621.mat 16x1+24 1000.0(0)/mv 16 0 715 -9457 0 V3
HR20621.mat 16x1+24 1000.0(0)/mv 16 0 705 -14 0 V4
HR20621.mat 16x1+24 1000.0(0)/mv 16 0 630 -9240 0 V5
HR20621.mat 16x1+24 1000.0(0)/mv 16 0 380 -6721 0 V6
# Age: 13
# Sex: Female
# Dx: 426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown