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

File: <base>/training/ptb-xl/g13/HR12958.hea (780 bytes) 
HR12958 12 500 5000
HR12958.mat 16x1+24 1000.0(0)/mv 16 0 -80 -11446 0 I
HR12958.mat 16x1+24 1000.0(0)/mv 16 0 170 -16222 0 II
HR12958.mat 16x1+24 1000.0(0)/mv 16 0 250 -4730 0 III
HR12958.mat 16x1+24 1000.0(0)/mv 16 0 -45 14148 0 aVR
HR12958.mat 16x1+24 1000.0(0)/mv 16 0 -165 29615 0 aVL
HR12958.mat 16x1+24 1000.0(0)/mv 16 0 210 22587 0 aVF
HR12958.mat 16x1+24 1000.0(0)/mv 16 0 -45 -6457 0 V1
HR12958.mat 16x1+24 1000.0(0)/mv 16 0 -1275 -12001 0 V2
HR12958.mat 16x1+24 1000.0(0)/mv 16 0 -200 -28819 0 V3
HR12958.mat 16x1+24 1000.0(0)/mv 16 0 -505 30585 0 V4
HR12958.mat 16x1+24 1000.0(0)/mv 16 0 -110 15461 0 V5
HR12958.mat 16x1+24 1000.0(0)/mv 16 0 15 10150 0 V6
# Age: NaN
# Sex: Female
# Dx: 164861001,164873001,164889003,55930002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown