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

File: <base>/training/ptb-xl/g15/HR14503.hea (748 bytes) 
HR14503 12 500 5000
HR14503.mat 16x1+24 1000.0(0)/mv 16 0 -40 20444 0 I
HR14503.mat 16x1+24 1000.0(0)/mv 16 0 -15 31377 0 II
HR14503.mat 16x1+24 1000.0(0)/mv 16 0 25 10915 0 III
HR14503.mat 16x1+24 1000.0(0)/mv 16 0 27 -25963 0 aVR
HR14503.mat 16x1+24 1000.0(0)/mv 16 0 -32 -27594 0 aVL
HR14503.mat 16x1+24 1000.0(0)/mv 16 0 5 -11175 0 aVF
HR14503.mat 16x1+24 1000.0(0)/mv 16 0 70 15813 0 V1
HR14503.mat 16x1+24 1000.0(0)/mv 16 0 -135 -23626 0 V2
HR14503.mat 16x1+24 1000.0(0)/mv 16 0 -15 2013 0 V3
HR14503.mat 16x1+24 1000.0(0)/mv 16 0 -85 28619 0 V4
HR14503.mat 16x1+24 1000.0(0)/mv 16 0 -160 29117 0 V5
HR14503.mat 16x1+24 1000.0(0)/mv 16 0 -20 8767 0 V6
# Age: 69
# Sex: Male
# Dx: 426177001,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown