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

File: <base>/training/ptb-xl/g13/HR12914.hea (772 bytes) 
HR12914 12 500 5000
HR12914.mat 16x1+24 1000.0(0)/mv 16 0 -55 -17820 0 I
HR12914.mat 16x1+24 1000.0(0)/mv 16 0 -15 -6515 0 II
HR12914.mat 16x1+24 1000.0(0)/mv 16 0 40 11272 0 III
HR12914.mat 16x1+24 1000.0(0)/mv 16 0 35 11272 0 aVR
HR12914.mat 16x1+24 1000.0(0)/mv 16 0 -47 -14946 0 aVL
HR12914.mat 16x1+24 1000.0(0)/mv 16 0 12 1600 0 aVF
HR12914.mat 16x1+24 1000.0(0)/mv 16 0 20 2936 0 V1
HR12914.mat 16x1+24 1000.0(0)/mv 16 0 100 -15391 0 V2
HR12914.mat 16x1+24 1000.0(0)/mv 16 0 130 -16962 0 V3
HR12914.mat 16x1+24 1000.0(0)/mv 16 0 90 -9065 0 V4
HR12914.mat 16x1+24 1000.0(0)/mv 16 0 25 -9866 0 V5
HR12914.mat 16x1+24 1000.0(0)/mv 16 0 5 -7690 0 V6
# Age: 65
# Sex: Male
# Dx: 164865005,39732003,426783006,445118002,713427006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown