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

File: <base>/training/ptb-xl/g18/HR17721.hea (757 bytes) 
HR17721 12 500 5000
HR17721.mat 16x1+24 1000.0(0)/mv 16 0 800 -17225 0 I
HR17721.mat 16x1+24 1000.0(0)/mv 16 0 315 -834 0 II
HR17721.mat 16x1+24 1000.0(0)/mv 16 0 -485 16369 0 III
HR17721.mat 16x1+24 1000.0(0)/mv 16 0 -557 8841 0 aVR
HR17721.mat 16x1+24 1000.0(0)/mv 16 0 642 -16638 0 aVL
HR17721.mat 16x1+24 1000.0(0)/mv 16 0 -85 7833 0 aVF
HR17721.mat 16x1+24 1000.0(0)/mv 16 0 -1380 25968 0 V1
HR17721.mat 16x1+24 1000.0(0)/mv 16 0 -1165 1335 0 V2
HR17721.mat 16x1+24 1000.0(0)/mv 16 0 -1140 -5225 0 V3
HR17721.mat 16x1+24 1000.0(0)/mv 16 0 305 14892 0 V4
HR17721.mat 16x1+24 1000.0(0)/mv 16 0 1845 28399 0 V5
HR17721.mat 16x1+24 1000.0(0)/mv 16 0 1385 19334 0 V6
# Age: 76
# Sex: Male
# Dx: 164865005,164873001
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown