Causes of Liver Enzymes Elevation. Elevation of the liver enzymes results from inflammation, infection or trauma to that organ. These cause leakage of liver enzymes into the circulation, which results in elevation of liver enzymes on blood tests.The two most commonly measured liver enzymes are AST, or aspartate transaminase, and ALT, or alanine transaminase.he liver produces bile, which helps in the digestion of fats, while the pancreas secretes various enzymes, including amylase and lipase that help in the digestion of sugars, fats and proteins.
1 Rotavirus is the leading cause of gastroenteritis among children 3 to 15 months old. 2  Most children have been exposed to the virus by age 2. Children with rotavirus have vomiting and watery diarrhea for 3 to 8 days, along with fever and abdominal pain.
Acute Bronchitis: How Long Does It Last? Acute bronchitis often develops three to four days after a cold or the flu. It may start with a dry cough, then after a few days the coughing spells may bring up mucus. Most people get over an acute bout of bronchitis in two to three weeks, although the cough can sometimes hang on for four weeks or more. If you're in otherwise good health, your lungs will return to normal after you've recovered from the initial infection.