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

File: <base>/training/ptb-xl/g4/HR03521.hea (748 bytes) 
HR03521 12 500 5000
HR03521.mat 16x1+24 1000.0(0)/mv 16 0 -80 -22384 0 I
HR03521.mat 16x1+24 1000.0(0)/mv 16 0 -230 13498 0 II
HR03521.mat 16x1+24 1000.0(0)/mv 16 0 -150 -29676 0 III
HR03521.mat 16x1+24 1000.0(0)/mv 16 0 155 4368 0 aVR
HR03521.mat 16x1+24 1000.0(0)/mv 16 0 35 -28875 0 aVL
HR03521.mat 16x1+24 1000.0(0)/mv 16 0 -190 24925 0 aVF
HR03521.mat 16x1+24 1000.0(0)/mv 16 0 970 31605 0 V1
HR03521.mat 16x1+24 1000.0(0)/mv 16 0 2375 9139 0 V2
HR03521.mat 16x1+24 1000.0(0)/mv 16 0 1000 20587 0 V3
HR03521.mat 16x1+24 1000.0(0)/mv 16 0 785 -10203 0 V4
HR03521.mat 16x1+24 1000.0(0)/mv 16 0 440 -22165 0 V5
HR03521.mat 16x1+24 1000.0(0)/mv 16 0 485 23963 0 V6
# Age: 34
# Sex: Female
# Dx: 426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown