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

File: <base>/training/ptb-xl/g1/HR00923.hea (780 bytes) 
HR00923 12 500 5000
HR00923.mat 16x1+24 1000.0(0)/mv 16 0 -40 -21109 0 I
HR00923.mat 16x1+24 1000.0(0)/mv 16 0 50 907 0 II
HR00923.mat 16x1+24 1000.0(0)/mv 16 0 90 22020 0 III
HR00923.mat 16x1+24 1000.0(0)/mv 16 0 -5 -22542 0 aVR
HR00923.mat 16x1+24 1000.0(0)/mv 16 0 -65 -21734 0 aVL
HR00923.mat 16x1+24 1000.0(0)/mv 16 0 70 -21324 0 aVF
HR00923.mat 16x1+24 1000.0(0)/mv 16 0 -85 1349 0 V1
HR00923.mat 16x1+24 1000.0(0)/mv 16 0 -310 -10059 0 V2
HR00923.mat 16x1+24 1000.0(0)/mv 16 0 30 28781 0 V3
HR00923.mat 16x1+24 1000.0(0)/mv 16 0 410 -16902 0 V4
HR00923.mat 16x1+24 1000.0(0)/mv 16 0 150 -11037 0 V5
HR00923.mat 16x1+24 1000.0(0)/mv 16 0 170 -8482 0 V6
# Age: NaN
# Sex: Male
# Dx: 164861001,164865005,164889003,164934002,429622005
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown