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

File: <base>/training/ptb-xl/g21/HR20686.hea (739 bytes) 
HR20686 12 500 5000
HR20686.mat 16x1+24 1000.0(0)/mv 16 0 0 3227 0 I
HR20686.mat 16x1+24 1000.0(0)/mv 16 0 -5 -7673 0 II
HR20686.mat 16x1+24 1000.0(0)/mv 16 0 -5 -10918 0 III
HR20686.mat 16x1+24 1000.0(0)/mv 16 0 3 1575 0 aVR
HR20686.mat 16x1+24 1000.0(0)/mv 16 0 3 7795 0 aVL
HR20686.mat 16x1+24 1000.0(0)/mv 16 0 -5 -9256 0 aVF
HR20686.mat 16x1+24 1000.0(0)/mv 16 0 210 -715 0 V1
HR20686.mat 16x1+24 1000.0(0)/mv 16 0 450 3931 0 V2
HR20686.mat 16x1+24 1000.0(0)/mv 16 0 290 772 0 V3
HR20686.mat 16x1+24 1000.0(0)/mv 16 0 80 -1813 0 V4
HR20686.mat 16x1+24 1000.0(0)/mv 16 0 -5 651 0 V5
HR20686.mat 16x1+24 1000.0(0)/mv 16 0 -15 -2757 0 V6
# Age: 45
# Sex: Male
# Dx: 164934002,39732003,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown