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

File: <base>/training/ptb-xl/g1/HR00646.hea (790 bytes) 
HR00646 12 500 5000
HR00646.mat 16x1+24 1000.0(0)/mv 16 0 -30 -30379 0 I
HR00646.mat 16x1+24 1000.0(0)/mv 16 0 -30 -8348 0 II
HR00646.mat 16x1+24 1000.0(0)/mv 16 0 0 22044 0 III
HR00646.mat 16x1+24 1000.0(0)/mv 16 0 30 18534 0 aVR
HR00646.mat 16x1+24 1000.0(0)/mv 16 0 -15 -26572 0 aVL
HR00646.mat 16x1+24 1000.0(0)/mv 16 0 -15 6215 0 aVF
HR00646.mat 16x1+24 1000.0(0)/mv 16 0 -20 -4547 0 V1
HR00646.mat 16x1+24 1000.0(0)/mv 16 0 30 7420 0 V2
HR00646.mat 16x1+24 1000.0(0)/mv 16 0 -95 -22112 0 V3
HR00646.mat 16x1+24 1000.0(0)/mv 16 0 340 11826 0 V4
HR00646.mat 16x1+24 1000.0(0)/mv 16 0 -725 -10844 0 V5
HR00646.mat 16x1+24 1000.0(0)/mv 16 0 -310 2001 0 V6
# Age: NaN
# Sex: Female
# Dx: 164865005,164934002,284470004,39732003,426783006,445118002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown