Methods of studying renal function:

  • Renal function indicates the working capability and condition of kidney
  • Helps in diagnosis of any renal diseases
  • Urine, serum, is needed for test.

Different methods of renal function test

  1. BUN
  2. Creatinine clearance
  3. Urine analysis
  4. GFR
  5. Protein in urine , etc

 

GFR method:

  • Stands for glomerular filtration rate
  • Amount of urine filtered by glomerulus of bowmen’s capsule per time
  • When GFR= clearance rate, following formula is used:

GFR= (urine concentration *urine flow) / (plasma concentration)

 

Creatinine clearance method:

  • Test which show rate of clearance of creatinine from the blood by kidney.
  • Help in approximating GFR

Mathematically,

Ccr=(creatinine concentration * urine flow)/(plasma concentration)

 

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