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

File: <base>/training/ptb-xl/g20/HR19668.hea (766 bytes) 
HR19668 12 500 5000
HR19668.mat 16x1+24 1000.0(0)/mv 16 0 20 -19732 0 I
HR19668.mat 16x1+24 1000.0(0)/mv 16 0 40 14448 0 II
HR19668.mat 16x1+24 1000.0(0)/mv 16 0 20 -31386 0 III
HR19668.mat 16x1+24 1000.0(0)/mv 16 0 -30 2566 0 aVR
HR19668.mat 16x1+24 1000.0(0)/mv 16 0 0 -26885 0 aVL
HR19668.mat 16x1+24 1000.0(0)/mv 16 0 30 24341 0 aVF
HR19668.mat 16x1+24 1000.0(0)/mv 16 0 20 26379 0 V1
HR19668.mat 16x1+24 1000.0(0)/mv 16 0 105 3271 0 V2
HR19668.mat 16x1+24 1000.0(0)/mv 16 0 120 2816 0 V3
HR19668.mat 16x1+24 1000.0(0)/mv 16 0 25 -26307 0 V4
HR19668.mat 16x1+24 1000.0(0)/mv 16 0 -15 22733 0 V5
HR19668.mat 16x1+24 1000.0(0)/mv 16 0 -25 3217 0 V6
# Age: 70
# Sex: Male
# Dx: 270492004,426783006,67741000119109,698252002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown