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

File: <base>/training/ptb-xl/g21/HR20770.hea (765 bytes) 
HR20770 12 500 5000
HR20770.mat 16x1+24 1000.0(0)/mv 16 0 -90 -22744 0 I
HR20770.mat 16x1+24 1000.0(0)/mv 16 0 -65 -78 0 II
HR20770.mat 16x1+24 1000.0(0)/mv 16 0 25 22647 0 III
HR20770.mat 16x1+24 1000.0(0)/mv 16 0 77 10812 0 aVR
HR20770.mat 16x1+24 1000.0(0)/mv 16 0 -57 -22777 0 aVL
HR20770.mat 16x1+24 1000.0(0)/mv 16 0 -20 11038 0 aVF
HR20770.mat 16x1+24 1000.0(0)/mv 16 0 80 9757 0 V1
HR20770.mat 16x1+24 1000.0(0)/mv 16 0 -85 26449 0 V2
HR20770.mat 16x1+24 1000.0(0)/mv 16 0 -95 -3869 0 V3
HR20770.mat 16x1+24 1000.0(0)/mv 16 0 -55 27313 0 V4
HR20770.mat 16x1+24 1000.0(0)/mv 16 0 -100 -3843 0 V5
HR20770.mat 16x1+24 1000.0(0)/mv 16 0 35 -14874 0 V6
# Age: 65
# Sex: Male
# Dx: 164934002,39732003,426783006,445118002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown