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I read with interest the article by Drs Boyd and Martin (Emerg Med J
2001; 18:212-213). This article needs to be read by all doctors working
in hospitals of developing countries. ESR as a single test is advised in
many conditions and the importance attached to it is well known. In
emergency as well as outpatient practice, the test is ordered very
Another point of concern is the strictness...
Another point of concern is the strictness of the fasting condition
of the patient. Laboratory personnel as well as the clinicians insist that
the test should be carried out only in fasting condition. And in many
instances, the sample of blood is not tested or the patients is sent back,
if he/she has taken food.
So, to evaluate the difference in the test results of ESR in fasting
and post-prandial conditions, we conducted a small study. Blood was
collected from 50 patients (a) in a fasting state and (b) one hour after
of breakfast. ESR was estimated in these paired samples. The paired-t-
test did not reveal any difference between the two states.
Hence, according to these results, ESR estimation in fasting state is not mandatory.
With best regards
Dr Saroj K Mishra
Senior Deputy Director
Ispat General Hospital
Rourkela 769 005
Tele 091- 661- 640504