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

File: <base>/training/ptb-xl/g8/HR07744.hea (768 bytes) 
HR07744 12 500 5000
HR07744.mat 16x1+24 1000.0(0)/mv 16 0 -65 -17689 0 I
HR07744.mat 16x1+24 1000.0(0)/mv 16 0 -40 -11903 0 II
HR07744.mat 16x1+24 1000.0(0)/mv 16 0 25 5842 0 III
HR07744.mat 16x1+24 1000.0(0)/mv 16 0 52 14376 0 aVR
HR07744.mat 16x1+24 1000.0(0)/mv 16 0 -45 -11726 0 aVL
HR07744.mat 16x1+24 1000.0(0)/mv 16 0 -7 -3140 0 aVF
HR07744.mat 16x1+24 1000.0(0)/mv 16 0 0 -5465 0 V1
HR07744.mat 16x1+24 1000.0(0)/mv 16 0 0 -14276 0 V2
HR07744.mat 16x1+24 1000.0(0)/mv 16 0 -25 -29707 0 V3
HR07744.mat 16x1+24 1000.0(0)/mv 16 0 -15 -18112 0 V4
HR07744.mat 16x1+24 1000.0(0)/mv 16 0 -20 -27420 0 V5
HR07744.mat 16x1+24 1000.0(0)/mv 16 0 -20 -19045 0 V6
# Age: 73
# Sex: Male
# Dx: 164865005,164951009,39732003,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown