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

File: <base>/training/ptb-xl/g13/HR12937.hea (762 bytes) 
HR12937 12 500 5000
HR12937.mat 16x1+24 1000.0(0)/mv 16 0 -25 -8918 0 I
HR12937.mat 16x1+24 1000.0(0)/mv 16 0 -65 -8751 0 II
HR12937.mat 16x1+24 1000.0(0)/mv 16 0 -40 144 0 III
HR12937.mat 16x1+24 1000.0(0)/mv 16 0 45 8378 0 aVR
HR12937.mat 16x1+24 1000.0(0)/mv 16 0 8 -4363 0 aVL
HR12937.mat 16x1+24 1000.0(0)/mv 16 0 -52 -4379 0 aVF
HR12937.mat 16x1+24 1000.0(0)/mv 16 0 160 -6904 0 V1
HR12937.mat 16x1+24 1000.0(0)/mv 16 0 100 10433 0 V2
HR12937.mat 16x1+24 1000.0(0)/mv 16 0 165 5618 0 V3
HR12937.mat 16x1+24 1000.0(0)/mv 16 0 65 -1262 0 V4
HR12937.mat 16x1+24 1000.0(0)/mv 16 0 40 -12969 0 V5
HR12937.mat 16x1+24 1000.0(0)/mv 16 0 -55 26592 0 V6
# Age: 69
# Sex: Female
# Dx: 39732003,426783006,445118002,713426002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown