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

File: <base>/training/ptb-xl/g15/HR14887.hea (766 bytes) 
HR14887 12 500 5000
HR14887.mat 16x1+24 1000.0(0)/mv 16 0 -525 16370 0 I
HR14887.mat 16x1+24 1000.0(0)/mv 16 0 15 -24341 0 II
HR14887.mat 16x1+24 1000.0(0)/mv 16 0 540 24846 0 III
HR14887.mat 16x1+24 1000.0(0)/mv 16 0 255 -28920 0 aVR
HR14887.mat 16x1+24 1000.0(0)/mv 16 0 -533 -4649 0 aVL
HR14887.mat 16x1+24 1000.0(0)/mv 16 0 277 -32766 0 aVF
HR14887.mat 16x1+24 1000.0(0)/mv 16 0 290 -26414 0 V1
HR14887.mat 16x1+24 1000.0(0)/mv 16 0 300 21608 0 V2
HR14887.mat 16x1+24 1000.0(0)/mv 16 0 265 -25155 0 V3
HR14887.mat 16x1+24 1000.0(0)/mv 16 0 265 23999 0 V4
HR14887.mat 16x1+24 1000.0(0)/mv 16 0 130 5538 0 V5
HR14887.mat 16x1+24 1000.0(0)/mv 16 0 155 -4961 0 V6
# Age: NaN
# Sex: Female
# Dx: 164889003,164909002,39732003
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown