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eLearning Series:
My Cholesterol Level Is Too High -
What Can I Do?
( 8 pages )
DIAGNOSING CHOLESTEROL
Unfortunately,
most people aren’t even aware they have atherosclerosis until
they have a heart attack or stroke. It is possible to
have up to 80 percent closure of the arteries without ever
feeling a single symptom!
Most people begin
to develop cholesterol driven atherosclerosis as children
and it’s unusual if you
find an adult in the United
States who does not have some degree of atherosclerosis.
Diagnosing
cholesterol levels require a simple blood test to determine
the levels of LDL and HDL. Cholesterol tests
can
be tricky, however. Simple screening that is done without
“fasting,” measures only the total cholesterol and the
HDL, the “good”
cholesterol. It will give you a ballpark figure, but far
from accurate.
The complete test
is called a “lipid profile,” and even that can vary from
test to test. This test will
measure
total
cholesterol, HDL, LDL and triglycerides.
For truly accurate
numbers, you should not eat, or drink anything other than
water for 12 hours before testing.
Vigorous exercise
should be avoided for 24 hours before testing and you
need to make certain that whoever tests you is made
aware of
any medications you may be taking as they will also
affect the
results.
Okay, now that
you have accurate numbers, what do they mean? Before we discuss
the numbers and their meanings,
we need
to clarify some terminology.
Dietary cholesterol
means the cholesterol that you eat. The American Heart Association
recommends no
more than
300 milligram
per day. Most food labels in the United States
list
cholesterol. The three terms, blood cholesterol,
serum cholesterol
and total cholesterol mean the same thing – the
total cholesterol
in
your body. This is what is measured when you have
a cholesterol test.
Your test results
will come in with three numbers:
1. HDL Cholesterol
2. LDL Cholesterol
3. Total Cholesterol
For total cholesterol
the National Cholesterol Education Program classifies levels
below 200
milligrams/dl (milligrams per deciliter)
as “desirable.” A level between 200 and 239
is “borderline
high.” Anything over 240 is “high.”
Triglyceride
levels over 400 milligrams/dl are considered “high” and
levels over 1,000
milligrams/dl
are considered
“very high.”
For LDL, the desirable
level is less than 130 milligrams/dl. The “borderline high”
level
is 130 to 159. The
“high risk” level is 160 and above.
Higher
is better for HDL. For HDL, the numbers are lower because
there is less
HDL in the
blood. Anything
lower
than 35 milligrams/dl
is considered “high risk.” If your HDL
is very high, say over 60, your risk
of heart
disease
is reduced.
The LDL, however,
is the “bad” cholesterol and the most important factor in
predicting
heart
attack. For LDL,
lower is better
preferably less than 160. It’s best
to keep the level
around 130.
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