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Liver function tests (LFTs or LFs), also referred to as a hepatic panel, are groups of blood tests that provide information about the state of a patient's liver. [1] These tests include prothrombin time (PT/INR), activated partial thromboplastin time (aPTT), albumin , bilirubin (direct and indirect), and others.
Macroamylasemia is the presence of macroamylase in the blood. Macroamylase is a complex of the enzyme amylase bound to other proteins forming a larger molecule. [1] Macroamylase is typically composed of immunoglobulin A (IgA, 70%) and less often of immunoglobulin G (IgG, 30%). The association of amylase with some drugs has also been reported. [2]
The comprehensive metabolic panel, or chemical screen (CMP; CPT code 80053), is a panel of 14 blood tests that serves as an initial broad medical screening tool. The CMP provides a rough check of kidney function, liver function, diabetic and parathyroid status, and electrolyte and fluid balance, but this type of screening has its limitations.
A basic metabolic panel (BMP) is a blood test consisting of a set of seven or eight biochemical tests and is one of the most common lab tests ordered by health care providers.
Acid–base and blood gases are among the few blood constituents that exhibit substantial difference between arterial and venous values. [6] Still, pH, bicarbonate and base excess show a high level of inter-method reliability between arterial and venous tests, so arterial and venous values are roughly equivalent for these. [44]
If the lipase level is about 2.5 to 3 times that of amylase, it is an indication of pancreatitis due to alcohol. [14] Serum lipase is more sensitive and specific than serum amylase in the diagnosis of acute pancreatitis, and is the preferred test in the diagnosis. [15] [16]
The test for amylase is easier to perform than that for lipase, making it the primary test used to detect and monitor pancreatitis. Medical laboratories will usually measure either pancreatic amylase or total amylase. If only pancreatic amylase is measured, an increase will not be noted with mumps or other salivary gland trauma.
Blood serum amylase may be measured for purposes of medical diagnosis. A higher than normal concentration may reflect any of several medical conditions, including acute inflammation of the pancreas (which may be measured concurrently with the more specific lipase ), [ 12 ] perforated peptic ulcer , torsion of an ovarian cyst , strangulation ...