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

File: <base>/training/ptb-xl/g21/HR20357.hea (770 bytes) 
HR20357 12 500 5000
HR20357.mat 16x1+24 1000.0(0)/mv 16 0 -10 1579 0 I
HR20357.mat 16x1+24 1000.0(0)/mv 16 0 -130 20924 0 II
HR20357.mat 16x1+24 1000.0(0)/mv 16 0 -120 19342 0 III
HR20357.mat 16x1+24 1000.0(0)/mv 16 0 70 20795 0 aVR
HR20357.mat 16x1+24 1000.0(0)/mv 16 0 55 -9085 0 aVL
HR20357.mat 16x1+24 1000.0(0)/mv 16 0 -125 -13115 0 aVF
HR20357.mat 16x1+24 1000.0(0)/mv 16 0 350 4840 0 V1
HR20357.mat 16x1+24 1000.0(0)/mv 16 0 930 -10629 0 V2
HR20357.mat 16x1+24 1000.0(0)/mv 16 0 1040 28366 0 V3
HR20357.mat 16x1+24 1000.0(0)/mv 16 0 950 29860 0 V4
HR20357.mat 16x1+24 1000.0(0)/mv 16 0 455 1325 0 V5
HR20357.mat 16x1+24 1000.0(0)/mv 16 0 190 -20367 0 V6
# Age: 55
# Sex: Male
# Dx: 164865005,164951009,39732003,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown