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

File: <base>/training/ptb-xl/g21/HR20978.hea (731 bytes) 
HR20978 12 500 5000
HR20978.mat 16x1+24 1000.0(0)/mv 16 0 100 -4007 0 I
HR20978.mat 16x1+24 1000.0(0)/mv 16 0 75 3023 0 II
HR20978.mat 16x1+24 1000.0(0)/mv 16 0 -25 7001 0 III
HR20978.mat 16x1+24 1000.0(0)/mv 16 0 -87 1156 0 aVR
HR20978.mat 16x1+24 1000.0(0)/mv 16 0 62 -4965 0 aVL
HR20978.mat 16x1+24 1000.0(0)/mv 16 0 25 5547 0 aVF
HR20978.mat 16x1+24 1000.0(0)/mv 16 0 40 8856 0 V1
HR20978.mat 16x1+24 1000.0(0)/mv 16 0 350 7360 0 V2
HR20978.mat 16x1+24 1000.0(0)/mv 16 0 345 -7472 0 V3
HR20978.mat 16x1+24 1000.0(0)/mv 16 0 285 24687 0 V4
HR20978.mat 16x1+24 1000.0(0)/mv 16 0 260 -5067 0 V5
HR20978.mat 16x1+24 1000.0(0)/mv 16 0 190 16407 0 V6
# Age: 30
# Sex: Female
# Dx: 426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown