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

File: <base>/training/ptb-xl/g4/HR03449.hea (777 bytes) 
HR03449 12 500 5000
HR03449.mat 16x1+24 1000.0(0)/mv 16 0 15 23715 0 I
HR03449.mat 16x1+24 1000.0(0)/mv 16 0 220 -24277 0 II
HR03449.mat 16x1+24 1000.0(0)/mv 16 0 205 17554 0 III
HR03449.mat 16x1+24 1000.0(0)/mv 16 0 -118 -32689 0 aVR
HR03449.mat 16x1+24 1000.0(0)/mv 16 0 -95 -29602 0 aVL
HR03449.mat 16x1+24 1000.0(0)/mv 16 0 212 -3525 0 aVF
HR03449.mat 16x1+24 1000.0(0)/mv 16 0 -55 26284 0 V1
HR03449.mat 16x1+24 1000.0(0)/mv 16 0 -110 20744 0 V2
HR03449.mat 16x1+24 1000.0(0)/mv 16 0 -60 9791 0 V3
HR03449.mat 16x1+24 1000.0(0)/mv 16 0 20 7442 0 V4
HR03449.mat 16x1+24 1000.0(0)/mv 16 0 -60 -11233 0 V5
HR03449.mat 16x1+24 1000.0(0)/mv 16 0 -45 10128 0 V6
# Age: 79
# Sex: Female
# Dx: 164934002,39732003,426783006,67741000119109
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown