LYCOS RETRIEVER 
Vomiting
built 209 days ago
Vomiting is less likely to be due to pregnancy if it begins after the 1st trimester of pregnancy. Vomiting is likely to be due to pregnancy if it lasts several days to weeks, abdominal pain is absent, and other apparent causes for vomiting are absent. If hyperemesis gravidarum is suspected, urine ketones are measured; if symptoms are particularly severe or persistent, serum electrolytes are measured. A normal intrauterine pregnancy should be confirmed to rule out hydatidiform mole. Other tests are done based on clinically suspected nonobstetric disorders.
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Vomiting is not a disease; rather, it is a symptom of many different diseases. Many cases of vomiting are self-limiting after a few days. Less commonly, vomiting may result from a serious illness, such as cancer. Even when vomiting is caused by mild illnesses, it may lead to death of the animal if treatment is not begun early enough to prevent severe fluid and nutrient losses.
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Vomiting patients in some cases require an extensive workup, but an organized approach will help to minimize the tests necessary for an early diagnosis. If reasonable concern is established, then a minimum data base of CBC, biochemical profile (or specific tests for evaluation of liver, kidney, pancreas, electrolytes), complete urinalysis (pre-treatment urine specific gravity extremely important for diagnosis of renal failure), and fecal examination is essential. Survey abdominal radiographs are frequently performed on vomiting patients and are definitely indicated if thorough abdominal palpation is not possible or suggests an abnormality (e.g., foreign body, pancreatitis, pyometra). Unfortunately these tests are often not done early enough. Even if baseline results are unremarkable they are more than justified because they help to rule out serious problems at the outset (e.g., vomiting due to renal failure, diabetes mellitus, liver disease). Alternatively, any abnormalities provide direction for initial treatment and further diagnostics.
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Vomiting means emptying your stomach by a strong gag and retch that leads to throwing up. The stomach's contents are forcefully expelled through the mouth. Vomiting can come in waves as the natural movement (known as peristalses) is reversed, and involuntary contractions in the walls of your stomach and esophagus force the stomach contents out. Sometimes coughing or spitting up mucus from the lungs is confused with vomiting. You can only vomit from the stomach.
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Vomiting is common and considered as physiological reflex in infants and newborns. The amount may vary from infant to infant. This happens because their digestive system is not well developed and all the time their position is lying down. There is a valve at the various places of digestive track and they are under development in infant’s body. The function of these valves’ is to prevent the backflow of the content to the previous organs of digestive tract. Being in ‘not so developed’ condition, these valves allow the stomach content to flow backwards into the mouth and infants vomits.
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Vomiting must be differentiated from regurgitation which is caused by diseases of the esophagus. A problem that can be confused with vomiting is regurgitation. Vomiting is the ejection of contents of the stomach and upper intestine; regurgitation is the ejection of contents of the esophagus. The esophagus is a narrow, muscular tube that food passes through on its way to the stomach. In health, food moves quickly through the esophagus to the stomach. If the muscle of the esophagus loses tone, the esophagus dilates, a condition called megaesophagus.
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Vomiting