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

File: <base>/training/ptb-xl/g1/HR00557.hea (742 bytes) 
HR00557 12 500 5000
HR00557.mat 16x1+24 1000.0(0)/mv 16 0 25 -18411 0 I
HR00557.mat 16x1+24 1000.0(0)/mv 16 0 -60 5613 0 II
HR00557.mat 16x1+24 1000.0(0)/mv 16 0 -85 23969 0 III
HR00557.mat 16x1+24 1000.0(0)/mv 16 0 18 6548 0 aVR
HR00557.mat 16x1+24 1000.0(0)/mv 16 0 55 -20590 0 aVL
HR00557.mat 16x1+24 1000.0(0)/mv 16 0 -72 15323 0 aVF
HR00557.mat 16x1+24 1000.0(0)/mv 16 0 15 -24027 0 V1
HR00557.mat 16x1+24 1000.0(0)/mv 16 0 65 -19825 0 V2
HR00557.mat 16x1+24 1000.0(0)/mv 16 0 70 -5863 0 V3
HR00557.mat 16x1+24 1000.0(0)/mv 16 0 75 -1448 0 V4
HR00557.mat 16x1+24 1000.0(0)/mv 16 0 -205 7375 0 V5
HR00557.mat 16x1+24 1000.0(0)/mv 16 0 60 2288 0 V6
# Age: 60
# Sex: Male
# Dx: 164889003,425419005
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown