LFT (Liver Function Test) & Kidney Function Test (KFT) Panel

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Know more about LFT (Liver Function Test) & Kidney Function Test (KFT) Panel

Liver function tests help determine the health of your liver by measuring the levels of proteins, liver enzymes, or bilirubin in your blood.

Symptoms of a liver disorder include: 

weakness

fatigue or loss of energy

weight loss

jaundice (yellow skin and eyes)

symptoms of nephritic syndrome (swelling around the eyes, belly, and legs)

discolored bodily discharge (dark urine or light stools)

nausea

vomiting

diarrhea

abdominal pain

Renal panel test results are not diagnostic but rather indicate that there may be a problem with the kidneys and that further testing is required to make a diagnosis and determine the cause. Results of the panel are usually considered together, rather than separately. Individual test result can be abnormal due to causes other than kidney disease, but taken together with risks and/or signs and symptoms, they may give an indication of whether kidney disease is present.

Electrolytes: Sodium, Potassium, Chloride, Bicarbonate Electrolyte blood levels can be affected by kidney disease in different ways depending on the cause, with some levels decreasing while others increase. In general, kidney dysfunction or disease can cause an imbalance among the electrolytes. When these positively and negatively charged ions are out of balance, it can affect the fluid balance and/or pH of the blood. As kidney dysfunction worsens, complications such as metabolic acidosis may result.

Phosphorus High blood level is associated with kidney disease.

Calcium Low blood level may be seen with kidney failure.

Albumin A low blood level may indicate that the kidneys cannot prevent albumin from leaking into the urine and being lost.

Urea/BUN High level suggests impaired kidney function caused by acute or chronic kidney disease, damage, or failure, or due to another condition causing decreased blood flow to the kidneys, such as CHF or dehydration, or causing obstruction of urine flow, such as prostate disease or kidney stones.

Creatinine High blood level suggests impaired kidney function due to conditions listed above for urea.

Glucose High blood level indicates diabetes, a common cause of kidney disease.

Urea (BUN)/Creatinine ratio High ratio may be due to a condition such as decreased blood flow to the kidneys while low ratio may be due to other conditions such as liver disease.

eGFR Calculated from the blood creatinine test result; an eGFR below 60 mL/min suggests that some kidney damage has occurred; an eGFR below 15 indicates kidney failure (see table in the eGFR article)

Anion gap A high result can indicate excess acid (acidosis) in the blood that may be related to kidney disease, but the acidosis can also be caused by many other conditions.

In those patients with large amounts of ascites fluid (fluid accumulated in the abdominal cavity), the excess fluid may have to be occasionally removed with a needle and syringe (paracentesis). Using local anesthetic, a needle is inserted through the abdominal wall and the fluid is withdrawn. The ascites fluid can spontaneously become infected and paracentesis also may be used as a diagnostic test looking for infection. Operations may be required to treat portal hypertension and minimize the risk of bleeding. Liver transplantation is the final option for patients whose livers have failed.

If detected early enough, acute liver failure caused by an overdose of acetaminophen can sometimes be treated and its effects reversed. Likewise, if a virus causes liver failure, supportive care can be given at a hospital to treat the symptoms until the virus runs its course. In these cases, the liver will sometimes recover on its own. 

For liver failure that is the result of long-term deterioration, the initial treatment goal may be to save whatever part of the liver is still functioning. If this is not possible, then a liver transplant is required. Fortunately, liver transplant is a common procedure that is often successful. 

Test Method 1 : The test requires a blood sample, which is drawn through a needle from a vein in your arm. 

Report available : Turn around time is 24 hours. 

A person have the following symptoms should get this done: 

weakness

fatigue or loss of energy

weight loss

jaundice (yellow skin and eyes)

symptoms of nephritic syndrome (swelling around the eyes, belly, and legs)

discolored bodily discharge (dark urine or light stools)

nausea

vomiting

diarrhea

abdominal pain