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

File: <base>/training/ptb-xl/g21/HR20991.hea (745 bytes) 
HR20991 12 500 5000
HR20991.mat 16x1+24 1000.0(0)/mv 16 0 155 -18727 0 I
HR20991.mat 16x1+24 1000.0(0)/mv 16 0 245 -11848 0 II
HR20991.mat 16x1+24 1000.0(0)/mv 16 0 90 6841 0 III
HR20991.mat 16x1+24 1000.0(0)/mv 16 0 -200 15133 0 aVR
HR20991.mat 16x1+24 1000.0(0)/mv 16 0 32 -12246 0 aVL
HR20991.mat 16x1+24 1000.0(0)/mv 16 0 167 -2109 0 aVF
HR20991.mat 16x1+24 1000.0(0)/mv 16 0 -45 -5308 0 V1
HR20991.mat 16x1+24 1000.0(0)/mv 16 0 200 -11871 0 V2
HR20991.mat 16x1+24 1000.0(0)/mv 16 0 350 -20392 0 V3
HR20991.mat 16x1+24 1000.0(0)/mv 16 0 425 -22630 0 V4
HR20991.mat 16x1+24 1000.0(0)/mv 16 0 285 -15909 0 V5
HR20991.mat 16x1+24 1000.0(0)/mv 16 0 240 -10808 0 V6
# Age: 61
# Sex: Male
# Dx: 426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown