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

File: <base>/training/ptb-xl/g21/HR20650.hea (750 bytes) 
HR20650 12 500 5000
HR20650.mat 16x1+24 1000.0(0)/mv 16 0 -40 -24587 0 I
HR20650.mat 16x1+24 1000.0(0)/mv 16 0 10 -17016 0 II
HR20650.mat 16x1+24 1000.0(0)/mv 16 0 50 7568 0 III
HR20650.mat 16x1+24 1000.0(0)/mv 16 0 15 21007 0 aVR
HR20650.mat 16x1+24 1000.0(0)/mv 16 0 -45 -15489 0 aVL
HR20650.mat 16x1+24 1000.0(0)/mv 16 0 30 -4268 0 aVF
HR20650.mat 16x1+24 1000.0(0)/mv 16 0 50 3301 0 V1
HR20650.mat 16x1+24 1000.0(0)/mv 16 0 15 5376 0 V2
HR20650.mat 16x1+24 1000.0(0)/mv 16 0 -25 -24563 0 V3
HR20650.mat 16x1+24 1000.0(0)/mv 16 0 -35 1532 0 V4
HR20650.mat 16x1+24 1000.0(0)/mv 16 0 -45 2771 0 V5
HR20650.mat 16x1+24 1000.0(0)/mv 16 0 10 6788 0 V6
# Age: 60
# Sex: Male
# Dx: 164865005,164951009,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown