Medicine powerpoint

Jun 29th, 2015
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Kaplan University
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Comprehensive power points in gynecology, internal medicine, ophthalmology, pharmacology, etc

Word Count: 771
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Gastroenteritis Inflammation of stomach or intestines Inhibits nutrient absorption and excessive H2O andelectrolyte lossBacterialViralParasitesPoisoning by microbial toxins food borne intoxication Signs and Symptoms: General features: diarrhea, loss of appetite, abdominalcramps, nausea, vomiting and possibly fever Dysentery Typically self Limiting Enteric fevers Systemic with severe headache, high fever, abscesses,intestinal rupture, shock and death Epidemiology Occurs worldwide Oral to fecal route of transmission Water common reservoir Overcrowding & poor sanitation are risk factors Animals may be source of infection PreventionHand washingProper food handling and complete cookingPasteurization of milk and juicesAdequate sanitationSafe water supplies Treatment Rapid replacement of fluids and electrolytes Anti-nausea medication Antimicrobials may be used in severe casesBacterial Gastroenteritis 3 groups of gram negative bacteria account formost bacterial intestinal infections: Vibrio cholerae (Cholera) Enterics (Salmonella, Shigella, E. coli) Campylobacter jejuniCholera Causative agent: Vibrio cholerae High infectious dose Bacteria sensitive to stomach acid Adheres to small intestine and multiply Bacteria dont enter cells Cholera toxin Potent exotoxin Causes intestinal cellsto rap

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