Liver Function Test Values Diagnostic Interpretation Pdf

Liver function tests and their interpretation indian journal of pediatrics volume 74 july 2007 665 spectrophotometric determination at 430 nm 1 a.

Liver function test values diagnostic interpretation pdf. Diagnostic value of bilirubin levels. A structured approach to the interpretation of liver function tests lfts including examples of the common patterns of lft derangement. Your doctor will explain your results and what they mean. Depending on the test either higher or lower than normal levels of these enzymes or proteins can indicate a.

Abnormal liver function test results don t always indicate liver disease. Interpretation of liver chemistry test november 2002 authors. Liver function tests are used to measure specific enzymes and proteins in your blood. Liver enzymes especially alp are not specific for primary liver disease.

Plasma protein albumin is exclusively synthesized by the liver and has a circulating half life of approximately three weeks. Bilirubin in body is a careful balance between. However because it has a long half life of 20 30 days and. Other liver function tests measure enzymes that liver cells release in response to damage or disease.

Postgrad med j 2003 79 307 312 interpretation of abnormalities in liver function tests is a common problem faced by clinicians. Step 2 compare alt and alp levels key facts about alt and alp alt is found in high concentrations within hepatocytes and enters the blood following hepatocellular injury. To evaluate their clinical significance a combination of history clinical signs physical examination diagnostic imaging and other liver function test results. For synthetic ability albumin 35 50 g l albumin is a protein synthesized by the liver and can be an indicator of the liver s synthetic ability.

Diagnostic information about hepatic function true tests of liver function albumin. Liver function tests lft is an essential screening test requested by physicians generally lft includes alanine transaminase alt aspartate transaminase ast alkaline phosphatase alp. This has become more common.