Coronary%Artery%Calcium%Testing%
[Pages:1]Coronary
Artery
Calcium
Testing
Patient--Centered
Education
From
the
National
Lipid
Association
What
is
a
Coronary
Artery
Calcium
Test?
A
coronary
artery
calcium
(CAC)
test
is
a
simplified
CAT
scan
that
measures
the
amount
of
calcium
build--up
in
the
walls
of
the
heart
arteries.
Because
calcium
usually
deposits
in
artery
walls
inside
cholesterol
plaques,
also
called
atherosclerosis,
the
presence
of
calcium
in
heart
arteries
is
an
indirect
indicator
that
cholesterol
plaques
are
present.
Knowing
if
you
have
calcium
in
your
heart
arteries
will
allow
you
to
take
the
right
steps
to
reduce
your
heart
attack
risk.
After
the
CAC
scan
images
are
analyzed,
the
amount
of
calcium
present
in
each
artery
is
added
up
to
obtain
a
total
calcium
`score.'
The
score
is
also
compared
to
findings
in
similarly
aged
men
and
women.
A
high
CAC
score
predicts
future
heart
attack
risk
in
men
and
women.
Prevention
guidelines
consider
a
CAC
score
to
be
a
reasonable
test
for
helping
providers
and
patients
decide
on
the
best
ways
to
lower
heart
attack
risk.
When
To
Consider
a
CAC
Test
and
What
To
Expect
When
a
CAC
Test
May
Not
Be
Helpful,
and
Why
CAC
testing
may
be
helpful
if
you
and
your
provider
believe
your
heart
disease
risk
may
be
higher
or
lower
than
indicated
by
a
risk
calculator
CAC
testing
is
generally
not
helpful
if
you
and
your
provider
believe
your
risk
calculator
score
is
accurate,
or
if
you
already
know
you
have
atherosclerosis
CAC
testing
may
helpful
if
you
and
your
provider
cannot
decide
on
the
type
or
intensity
of
heart
disease
prevention
therapies
CAC
testing
may
be
useful
if
you
are
seeking
a
quick,
one--time
non--invasive
test
to
look
for
coronary
calcium
only
CAC
testing
may
be
helpful
if
you
accept
the
out--of-- pocket
costs
and
the
small
amount
of
radiation
associated
with
the
test
CAC
testing
may
be
useful
if
you
are
seeking
a
general
indicator
of
your
future
heart
attack
risk
For
Additional
Information
Coronary
artery
calcium
score
and
risk
classification
for
coronary
heart
disease
prediction.
Journal
of
the
American
Medical
Association
2010:303(16):1606.
CAC
testing
is
generally
not
helpful
if
you
and
your
provider
have
already
decided
on
the
best
heart
disease
prevention
regimen
for
you
CAC
testing
will
not
be
helpful
if
you
are
looking
for
a
`functional'
study
to
determine
the
severity
of
a
heart
artery
blockage
CAC
testing
will
not
be
helpful
if
you
are
looking
for
a
low
cost
risk
assessment
tool
that
does
not
require
radiation
exposure
CAC
testing
will
not
be
helpful
if
you
are
looking
for
a
"guarantee,
"
since
a
normal
or
low
CAC
score
does
not
guarantee
a
future
free
of
heart
attacks
This
Information
Is
Provided
Courtesy
of
the
National
Lipid
Association
and
Your
Provider
__________________________________________________________
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