NOTE
EIT does not measure the behavior of the entire lung but only the lung regions located within the
EIT sensitivity
region
.
EIT images
and thereof derived
parameters
and
indices
, consequently, do not represent information
being related the entire lung, but only information being related to the lung region located within the
EIT
sensitivity region.
Being centered around the
belt plane
the
EIT sensitivity region
is roughly lens-shaped: close to the body
surface the thickness of the
EIT sensitivity region
corresponds to at least the width of the belt (Table 13-13) and
increases towards the central region of the thorax to reach a thickness of roughly one half to two-thirds of the
thorax width.
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