Lipemic sample
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Lipemic sample
Dr.M.P.Saravanan,MDAssociate professor
KAPV Government Medical college,trichy,Tamil Nadu
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Fasting Lipemic & Normal serum
Lipemic Normal
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Letters can be read thro’ clear serum
Letters not visible
Normal Lipemic
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Letters visible through
serum
Serum not transparent milky white appearance
Lipemic Clear serum
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EDTA SAMPLE SHOWING MILKY WHITE PLASMA
MILKY WHITE PLASMA
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1/5 dilution of serum TGL & Chol values
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1/20 DILUTION TRYGLYCERIDE
10,500 MG/DL
TOTAL CHOLESTEROL=1400 mg.dl
Sodium – 128 mEq/dl (pseudo hyponateremia)
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Case history of this sample 43yr/M came to hospital with c/o
tiredeness,no h/o chest pain or any event of CAD in his family. Known diabetic
No alcohol intake in previous 3 days Repeated the sample next day with fasting Results remain the same
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Why is lipemic sample important? Lipemic sample is a cloudy sample –
scatters light in colorimetry- assay error with all chemistries
Matrix effect- less water component in serum or plasma due to more solid(lipid)- less electrolyte estimation- pseudo hyponateremia in direct ISEs
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Uncontrolled diabetes – where you get high values of TGL.
Congenital dyslipidemias- Go for Lipoprotein EPP
Look for cardiac risk- start dietary management & drugs if necessary