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

File: <base>/training/ptb-xl/g21/HR20737.hea (747 bytes) 
HR20737 12 500 5000
HR20737.mat 16x1+24 1000.0(0)/mv 16 0 -10 -12850 0 I
HR20737.mat 16x1+24 1000.0(0)/mv 16 0 45 -6002 0 II
HR20737.mat 16x1+24 1000.0(0)/mv 16 0 55 6848 0 III
HR20737.mat 16x1+24 1000.0(0)/mv 16 0 -18 8964 0 aVR
HR20737.mat 16x1+24 1000.0(0)/mv 16 0 -33 -9714 0 aVL
HR20737.mat 16x1+24 1000.0(0)/mv 16 0 50 209 0 aVF
HR20737.mat 16x1+24 1000.0(0)/mv 16 0 -5 -11884 0 V1
HR20737.mat 16x1+24 1000.0(0)/mv 16 0 5 12089 0 V2
HR20737.mat 16x1+24 1000.0(0)/mv 16 0 25 16884 0 V3
HR20737.mat 16x1+24 1000.0(0)/mv 16 0 75 889 0 V4
HR20737.mat 16x1+24 1000.0(0)/mv 16 0 20 1798 0 V5
HR20737.mat 16x1+24 1000.0(0)/mv 16 0 -20 -13060 0 V6
# Age: 62
# Sex: Female
# Dx: 164934002,39732003,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown