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Vomiting. Some people may also get a fever, chills, headaches and/or body aches. ... young children and the elderly pose the highest risk of harm from norovirus—and again, much of that comes ...
Retroperistalsis is the reverse of the involuntary smooth muscle contractions of peristalsis.It usually occurs as a precursor to vomiting.Local irritation of the stomach, such as bacteria or food poisoning, activates the emetic center of the brain which in turn signals an imminent vomiting reflex.
Projectile vomiting is vomiting that ejects the gastric contents with great force. [34] It is a classic symptom of infantile hypertrophic pyloric stenosis, in which it typically follows feeding and can be so forceful that some material exits through the nose. [35]
Norovirus, also known as Norwalk virus and sometimes referred to as the winter vomiting disease, is the most common cause of gastroenteritis. [ 1 ] [ 6 ] Infection is characterized by non-bloody diarrhea , vomiting , and stomach pain .
For most people, norovirus will cause some unpleasant symptoms, like nausea, vomiting, stomach cramping and diarrhea. The main concern, Nwelue said, is to make sure you’re staying hydrated while ...
Esophagitis, esophageal varices, gastritis, cirrhosis or gastric ulcers for example, may bleed and produce coffee-ground vomitus. When unaccompanied by melena, hematemesis or a fall in hemoglobin with corresponding urea rises and creates an unstable reaction, and other causes of coffee ground vomitus need to be elucidated; for example, gastric stasis, bowel obstruction or ileus, that can cause ...
About 2/3 of all GI bleeds are from upper sources and 1/3 from lower sources. [14] Common causes of gastrointestinal bleeding include infections, cancers, vascular disorders, adverse effects of medications, and blood clotting disorders. [2] Obscure gastrointestinal bleeding (OGIB) is when a source is unclear following investigation. [15]
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