Others may notice an irregular pulse but don't have other symptoms. Mild symptoms of atrial fibrillation may occur immediately. More serious problems may occur after the start of atrial fibrillation and over the course of several days. So it is important to identify symptoms and get treatment as soon as possible.
(Ämâ²É-lÄsâ²) Any of various enzymes that break down starches into their component sugars, such as glucose. Amylase is present in fluid secreted by the pancreas, in saliva in some mammals, and in plants.
Guide. An amylase test measures the amount of this enzyme in a sample of blood taken from a vein or in a sample of urine. Normally, only low levels of amylase are found in the blood or urine. But if the pancreas or salivary glands become damaged or blocked, more amylase is usually released into the blood and urine.In the blood, amylase levels rise for only a short time.ormally, only low levels of amylase are found in the blood or urine. But if the pancreas or salivary glands become damaged or blocked, more amylase is usually released into the blood and urine. In the blood, amylase levels rise for only a short time.