July 28, 2014

How To Read Your Blood Test Report For Kidney Damage


The Star:

How well your glomeruli function determines how well your kidneys function, which is why doctors assess your level of kidney function by calculating your estimated Glomerular Filtration Rate (eGFR). A patient’s eGFR is calculated using his creatinine level while also taking age, sex and race into account.

Remember to have this item screened in your yearly health check. (MJ’s comprehensive screening comes with eGFR included).


Click image to enlarge.


Click image to enlarge.

Explaining the blood test

A nephron is a tiny kidney functional unit. You have about a million in each kidney.

Within each nephron lies a glomerulus – a little blood vessel that performs the actual function of filtration. Your glomeruli keep proteins and cells in your blood and allow extra fluid and waste to pass out as urine.

How well your glomeruli function determines how well your kidneys function, which is why doctors assess your level of kidney function by calculating your estimated Glomerular Filtration Rate (eGFR). A patient’s eGFR is calculated using his creatinine level while also taking age, sex and race into account.

Creatinine is a waste product that builds up in the blood when muscle cells are active, which healthy kidneys filter out.

Explaining the urine test

Albumin is the most common protein in your blood (normally more than 50% of the protein in your blood serum). It plays an important in maintaining blood pressure. When your kidneys are damaged, albumin can leak into urine via the glomeruli.

Blood in the urine can indicate the presence of infection, inflammation, trauma, tumours or kidney stones, all of which can cause kidney damage.



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