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

File: <base>/training/ptb-xl/g4/HR03996.hea (749 bytes) 
HR03996 12 500 5000
HR03996.mat 16x1+24 1000.0(0)/mv 16 0 -15 1223 0 I
HR03996.mat 16x1+24 1000.0(0)/mv 16 0 75 4238 0 II
HR03996.mat 16x1+24 1000.0(0)/mv 16 0 90 3047 0 III
HR03996.mat 16x1+24 1000.0(0)/mv 16 0 -30 -2631 0 aVR
HR03996.mat 16x1+24 1000.0(0)/mv 16 0 -53 -860 0 aVL
HR03996.mat 16x1+24 1000.0(0)/mv 16 0 82 3741 0 aVF
HR03996.mat 16x1+24 1000.0(0)/mv 16 0 140 -30454 0 V1
HR03996.mat 16x1+24 1000.0(0)/mv 16 0 45 24749 0 V2
HR03996.mat 16x1+24 1000.0(0)/mv 16 0 205 13436 0 V3
HR03996.mat 16x1+24 1000.0(0)/mv 16 0 100 4104 0 V4
HR03996.mat 16x1+24 1000.0(0)/mv 16 0 80 -20781 0 V5
HR03996.mat 16x1+24 1000.0(0)/mv 16 0 10 -28222 0 V6
# Age: 77
# Sex: Male
# Dx: 426783006,429622005,55930002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown