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CD-ROM Today (UK) (Spanish) 15
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00886.txt
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1994-01-17
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$Unique_ID{BRK00886}
$Pretitle{}
$Title{What is a Sed Rate?}
$Subject{sed rate red blood cells cell erythrocyte sedimentation Special
Procedures procedure Laboratory lab test Tests ESR inflammation}
$Volume{P-7}
$Log{}
Copyright (c) 1991-92,1993 Tribune Media Services, Inc.
What is a Sed Rate?
------------------------------------------------------------------------------
QUESTION: When I spoke to my doctor about some recent blood tests, he told me
that my "sed" rate was just a bit high. What is a sed rate, and what am I
going to have to do to make it lower? I am very concerned.
------------------------------------------------------------------------------
ANSWER: The term "sed rate" is an abbreviation of the name of a blood test
involving red cells called the "erythrocyte sedimentation rate" (also known as
ESR). If a sample of blood is allowed to stand in a test tube, the red blood
cells will gradually sink to the bottom of the tube, creating a clear layer of
yellowish plasma at the top. Depending upon the method used to perform the
test, this clear layer will measure from 0-20 mm/hour in women. When the
cells descend at a faster rate, producing a larger clear layer, the "sed" rate
is higher. It is a sign that there is an inflammation going on somewhere in
the body, and may require additional tests to locate just where that process
is going on. Usually when the situation is cared for and corrected, the sed
rate returns to normal.
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The material contained here is "FOR INFORMATION ONLY" and should not replace
the counsel and advice of your personal physician. Promptly consulting your
doctor is the best path to a quick and successful resolution of any medical
problem.