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Chronic pulmonary
heart
disease
is
a
common
disease caused
bv
chronic
pathologii
lesions
of the
lung
,
thorax
or
pulmonary
artery.
At
flrst,
it
appears
there are
increasing resistance
of pulmonary
circu-
lation
and pulmonary hypertension. Secondly, the
load on
the heart
becomes
escalated
causing
right
ventricular
hypertrophy
and
en-
largement.
Finally,
it
leads
to
the
failure
of right heart
and
/
or respir-
ation.
The
mortality of this disease
is
higher
if it is
not
treated in
time.
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