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

File: <base>/training/ptb-xl/g13/HR12345.hea (740 bytes) 
HR12345 12 500 5000
HR12345.mat 16x1+24 1000.0(0)/mv 16 0 25 30130 0 I
HR12345.mat 16x1+24 1000.0(0)/mv 16 0 -205 -25865 0 II
HR12345.mat 16x1+24 1000.0(0)/mv 16 0 -230 9539 0 III
HR12345.mat 16x1+24 1000.0(0)/mv 16 0 90 30615 0 aVR
HR12345.mat 16x1+24 1000.0(0)/mv 16 0 128 -22117 0 aVL
HR12345.mat 16x1+24 1000.0(0)/mv 16 0 -217 -7995 0 aVF
HR12345.mat 16x1+24 1000.0(0)/mv 16 0 940 -22814 0 V1
HR12345.mat 16x1+24 1000.0(0)/mv 16 0 430 26843 0 V2
HR12345.mat 16x1+24 1000.0(0)/mv 16 0 85 26612 0 V3
HR12345.mat 16x1+24 1000.0(0)/mv 16 0 960 -835 0 V4
HR12345.mat 16x1+24 1000.0(0)/mv 16 0 855 25650 0 V5
HR12345.mat 16x1+24 1000.0(0)/mv 16 0 550 328 0 V6
# Age: 68
# Sex: Female
# Dx: 426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown