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

File: <base>/training/ptb-xl/g21/HR20743.hea (785 bytes) 
HR20743 12 500 5000
HR20743.mat 16x1+24 1000.0(0)/mv 16 0 70 -4740 0 I
HR20743.mat 16x1+24 1000.0(0)/mv 16 0 110 -28984 0 II
HR20743.mat 16x1+24 1000.0(0)/mv 16 0 40 -24277 0 III
HR20743.mat 16x1+24 1000.0(0)/mv 16 0 -90 17136 0 aVR
HR20743.mat 16x1+24 1000.0(0)/mv 16 0 15 10154 0 aVL
HR20743.mat 16x1+24 1000.0(0)/mv 16 0 75 -26302 0 aVF
HR20743.mat 16x1+24 1000.0(0)/mv 16 0 25 -9851 0 V1
HR20743.mat 16x1+24 1000.0(0)/mv 16 0 290 -5181 0 V2
HR20743.mat 16x1+24 1000.0(0)/mv 16 0 295 -4468 0 V3
HR20743.mat 16x1+24 1000.0(0)/mv 16 0 120 5555 0 V4
HR20743.mat 16x1+24 1000.0(0)/mv 16 0 40 23119 0 V5
HR20743.mat 16x1+24 1000.0(0)/mv 16 0 -20 10842 0 V6
# Age: 72
# Sex: Male
# Dx: 164861001,164865005,164873001,164889003,164951009,698252002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown