# CLINICAL CHEMISTRY - RENAL FUNCTION CASE STUDY II A 30-year old woman with a history of...

###### Question:

CLINICAL CHEMISTRY - RENAL FUNCTION CASE STUDY II
A 30-year old woman with a history of systemic lupus erythematosus was admitted to the hospital for renal function testing. The following results were obtained on her laboratory tests.
Na 142 mmol/L
K 4.9 mmol/L
BUN 37 mg/dl
Creatinine 3.9 mg/dl
Urine Protein 4+ (by reagent strip)
Also, oval fat bodies were observed microscopically and the urine appeared very milky.
1. Are any of the above results abnormal?
2. What is the patient’s BUN/Creatinine ratio? Is this within normal limits? What can you tell from this result?
3. Are there any other tests that should be ordered?
4. With the results that are given, what is a likely diagnosis?

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