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

File: <base>/training/ptb-xl/g21/HR20724.hea (740 bytes) 
HR20724 12 500 5000
HR20724.mat 16x1+24 1000.0(0)/mv 16 0 -55 -1773 0 I
HR20724.mat 16x1+24 1000.0(0)/mv 16 0 -70 -808 0 II
HR20724.mat 16x1+24 1000.0(0)/mv 16 0 -15 960 0 III
HR20724.mat 16x1+24 1000.0(0)/mv 16 0 63 1474 0 aVR
HR20724.mat 16x1+24 1000.0(0)/mv 16 0 -20 -1059 0 aVL
HR20724.mat 16x1+24 1000.0(0)/mv 16 0 -42 371 0 aVF
HR20724.mat 16x1+24 1000.0(0)/mv 16 0 -220 -31249 0 V1
HR20724.mat 16x1+24 1000.0(0)/mv 16 0 -140 30069 0 V2
HR20724.mat 16x1+24 1000.0(0)/mv 16 0 -140 19734 0 V3
HR20724.mat 16x1+24 1000.0(0)/mv 16 0 -180 -26404 0 V4
HR20724.mat 16x1+24 1000.0(0)/mv 16 0 -95 -21281 0 V5
HR20724.mat 16x1+24 1000.0(0)/mv 16 0 -85 -998 0 V6
# Age: 79
# Sex: Female
# Dx: 426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown