Document Assessment
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Figure 8. B1,9 dissection
An aortic dissection with an
entry tear in zone 1 or beyond is
classified as type B. In the example
illustrated, the entry tear is in
zone 3 and the dissection process
involves zone 1 proximally and
extends distally to zone 9. e
dissection is fully classified as
B1,9.
B1,9
Figure 9. B0,9 dissection
Example of an aortic dissection
with an entry tear in zone 2, which
classifies it as type B. e dissection
process involves zone 0 proximally
and extends distally to zone 9. is
dissection is fully classified as B0,9.
B0,9
