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

File: <base>/training/ptb-xl/g2/HR01721.hea (757 bytes) 
HR01721 12 500 5000
HR01721.mat 16x1+24 1000.0(0)/mv 16 0 -20 6085 0 I
HR01721.mat 16x1+24 1000.0(0)/mv 16 0 60 8781 0 II
HR01721.mat 16x1+24 1000.0(0)/mv 16 0 80 2703 0 III
HR01721.mat 16x1+24 1000.0(0)/mv 16 0 -20 -7243 0 aVR
HR01721.mat 16x1+24 1000.0(0)/mv 16 0 -50 2018 0 aVL
HR01721.mat 16x1+24 1000.0(0)/mv 16 0 70 6002 0 aVF
HR01721.mat 16x1+24 1000.0(0)/mv 16 0 45 3654 0 V1
HR01721.mat 16x1+24 1000.0(0)/mv 16 0 75 7220 0 V2
HR01721.mat 16x1+24 1000.0(0)/mv 16 0 135 5807 0 V3
HR01721.mat 16x1+24 1000.0(0)/mv 16 0 30 -4651 0 V4
HR01721.mat 16x1+24 1000.0(0)/mv 16 0 20 -19181 0 V5
HR01721.mat 16x1+24 1000.0(0)/mv 16 0 -90 -13658 0 V6
# Age: 89
# Sex: Female
# Dx: 164861001,270492004,39732003,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown