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

File: <base>/training/ptb-xl/g19/HR18914.hea (744 bytes) 
HR18914 12 500 5000
HR18914.mat 16x1+24 1000.0(0)/mv 16 0 50 28158 0 I
HR18914.mat 16x1+24 1000.0(0)/mv 16 0 90 -22651 0 II
HR18914.mat 16x1+24 1000.0(0)/mv 16 0 40 14734 0 III
HR18914.mat 16x1+24 1000.0(0)/mv 16 0 -70 -2407 0 aVR
HR18914.mat 16x1+24 1000.0(0)/mv 16 0 5 -25898 0 aVL
HR18914.mat 16x1+24 1000.0(0)/mv 16 0 65 29096 0 aVF
HR18914.mat 16x1+24 1000.0(0)/mv 16 0 -155 -4755 0 V1
HR18914.mat 16x1+24 1000.0(0)/mv 16 0 85 1605 0 V2
HR18914.mat 16x1+24 1000.0(0)/mv 16 0 70 -25142 0 V3
HR18914.mat 16x1+24 1000.0(0)/mv 16 0 110 16693 0 V4
HR18914.mat 16x1+24 1000.0(0)/mv 16 0 110 -29306 0 V5
HR18914.mat 16x1+24 1000.0(0)/mv 16 0 50 20765 0 V6
# Age: 68
# Sex: Male
# Dx: 427084000,713426002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown