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[Audio] Course Project Week 8 Tamara Truelove Pathopharmocology BIOS267 April 23,2022 Professor Sonya Williams.

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. . gastroenteritis. gastroenteritis.

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[Audio] Abnormal physiology of • Diseases of the gastrointestinal system can be one of many causes, affecting anywhere from the mouth to the anal canal. • Part of the problem in studies pertaining to diarrhea is the difficulty in identifying fecal " pathogens" among an enormous number of indigenous fecal microorganisms • Finally, the recognition of the pathogenicity of enterotoxins has created an awareness of the complexity of gastrointestinal physiology with host-parasite interactions..

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[Audio] Affected Systems • Within the esophagus is a wide range of pathologies: scleroderma, esophageal dysmotility, esophageal strictures, esophagitis, achalasia, and esophageal varices; these diseases can affect the movement of food into the stomach. • Further along the gastrointestinal tract, gastritis involves inflammation of the stomach. • One such cause of autoimmune disease is pernicious anemia, a condition preventing the proper formation of intrinsic factor to vitamin B12, a nutrient vital in physiologic processes such as DNA/ RNA synthesis and hematopoiesis, and neurologic function. • Gastritis may have an acute onset caused by NSAIDs or mucosal ischemia..

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[Audio] comparison to normal physiology • Normal bacterial flora populates the gut, increasing in numbers from the stomach to the distal colon • These bacteria are helpful to the human host by fermenting unused energy substrates; training the immune system; preventing growth of harmful, pathogenic bacteria; regulating the development of the gut; producing vitamins, like vitamin K2; and metabolizing estrogen and androgen hormones.

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[Audio] Background & History ⦁ acute gastroenteritis remains a major cause of morbidity and mortality ⦁ Cholera morbus is a historical term that was used to refer to gastroenteritis rather than specifically ⦁ cholera. ⦁ The first usage of "gastroenteritis" was in 1825.

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[Audio] Symptoms ⦁ Watery diarrhea ⦁ Nausea and vomiting ⦁ Stomach pain and cramps ⦁ Low grade fever ⦁ Headache ⦁ Dehydration.

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[Audio] Prognosis ⦁ Adults older than 65 years accounted for 83% of deaths and the majority of hospitalizations. ⦁ Gastritis only directly affects the stomach and may include nausea or vomiting, while gastroenteritis affects both the stomach and the intestines ⦁ Gastroenterology is an exciting and burgeoning field that provides an extraordinary number of career opportunities for physicians and scientists..

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[Audio] Treatments associated with Gastroenteritis • There's often no specific medical treatment for viral gastroenteritis. • Treatment first involves self-care measures, such as staying hydrated. • Anti-diarrheal agents: To reduce diarrhea. • Loperamide • Vaccination: Vaccinations is recommended for infants. • Rotavirus vaccine • therapy: To replace the lost fluids and electrolytes and prevent dehydration..

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[Audio] new technologies • The global Gastroenteritis Testing Market size is expected to Expand at Significant CAGR of +6% during forecast period ( 2020- 2026) • Rising number of initiatives for cancer radiotherapy is the vital factor escalating the market growth • Rising awareness about new enteric disease testing technologies • rise in prevalence of numerous infectious diseases among elderly people and rising adoption of enteric disease diagnostic products in hospitals and diagnostic laboratories are the major factors among others driving the gastroenteritis testing market..

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[Audio] References Pediatric Gastroenteritis: Background, Pathophysiology, Epidemiology (medscape.com) Emergent Treatment of Gastroenteritis: Background, Pathophysiology, Etiology ( medscape.com) Gastroenterology: A Field With Endless Career Opportunities for Physicians and Scientists - Gastroenterology ( gastrojournal.org).