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

File: <base>/training/ptb-xl/g3/HR02257.hea (749 bytes) 
HR02257 12 500 5000
HR02257.mat 16x1+24 1000.0(0)/mv 16 0 -10 22207 0 I
HR02257.mat 16x1+24 1000.0(0)/mv 16 0 40 28473 0 II
HR02257.mat 16x1+24 1000.0(0)/mv 16 0 50 6192 0 III
HR02257.mat 16x1+24 1000.0(0)/mv 16 0 -15 -25669 0 aVR
HR02257.mat 16x1+24 1000.0(0)/mv 16 0 -30 -24490 0 aVL
HR02257.mat 16x1+24 1000.0(0)/mv 16 0 45 -15309 0 aVF
HR02257.mat 16x1+24 1000.0(0)/mv 16 0 25 3034 0 V1
HR02257.mat 16x1+24 1000.0(0)/mv 16 0 30 31186 0 V2
HR02257.mat 16x1+24 1000.0(0)/mv 16 0 -580 -9362 0 V3
HR02257.mat 16x1+24 1000.0(0)/mv 16 0 -130 -10497 0 V4
HR02257.mat 16x1+24 1000.0(0)/mv 16 0 -50 8773 0 V5
HR02257.mat 16x1+24 1000.0(0)/mv 16 0 -165 4381 0 V6
# Age: 71
# Sex: Female
# Dx: 426783006,428750005
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown