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.
Alpha-amylase is widespread among living organisms. In the digestive systems of humans and many other mammals, an alpha-amylase called ptyalin is produced by the salivary glands, whereas pancreatic amylase is secreted by the pancreas into the small intestine. Ptyalin is mixed with food in the mouth, where it acts upon starches.