PPT-DYSENTERY

PBL 14 SUPERVISOR DR SAHAR ZAKARIA DEFINITION Dysentery is a form of severe diarrhea with mucus and blood in the stools with or without tenesmus As the result of intestinal inflammation mainly in the colon. A. bhinay. . B. hugoo. Amoebiasis. . (Amoebic dysentery). Causative . agent:. Entamoeba. . histolytica. . “. Harbouring. of protozoa E. . histolytica. . inside the body with or without disease”. . histolytica. Beth . Wozney. Geographic Distribution. Worldwide!. Higher rates:. Tropical areas. Hosts. Definitive. Humans. Intermediate. None are necessary. Reservoir. Dogs. Pigs. Monkeys. Humans (asymptomatic). B. Clinical Manifestations causes dysentery by invading and destroying cells that line the largeand bloody diarrhea. Apart from bloody stools, patients with dysentery oftenhave fever, abdominal cramp Shigella. cause bacillary dysentery. There are two types of dysentery. They are : a) Amoebic dysentery . . b) Bacillary dysentery. AMOEBIC DYSENTERY. BACILLARY DYSENTERY. Incubation period is long. Thrive in fresh water, salt water and soil.. Many are motile, with pseudopods (“false feet”) used for locomotion.. Some are parasitic species, found in animal intestines.. Entamoeba. . histolytica. 1. Shigella a Highly Infectious Bacteria . Shigella . is one of the most infectious of bacteria and ingestion of as few as . 100-200 . organisms. will cause disease. . Most individuals are infected with . A large Shiga dysentery epidemic began in El Salvador in July 1969 peaked in July 1970 and then declined rapidly to near-endemic levels in Introduction In late 1968 an epidemic of bacterial dysen- ter DEFINITION. Dysentery is . a form of severe . diarrhea. with mucus . and blood . in the . stools with or without . tenesmus. . . As the result of intestinal inflammation mainly in the colon. CAUSATIVE AGENTS. B. hugoo. Amoebiasis. . (Amoebic dysentery). Causative . agent:. Entamoeba. . histolytica. . “. Harbouring. of protozoa E. . histolytica. . inside the body with or without disease”. only 10% of infected develop disease. 9/18/2013. NYIRONGO.2013. Diarrhoeal. diseases are a major cause of morbidity and mortality in children around the world, accounting for 1.8 million deaths annually in children younger than 5 years, or roughly 17% of all child deaths (Levine, 2006). . Medical Parasitology. Prof. Dr. Ahmed Ali Mohammed. Medical Parasitology. Parasitology is a dynamic field because the relationships between the parasites and their hosts are constantly changing.. Parasites are often causing important diseases to humans and animals. Consequently, the host suffers from various . . What is Dysentery? Dysentery is caused by bacteria of the shigella group. The main source of the bacteria is man. If you have Dysentery you may be experiencing the following symptoms: Diarrhoe QUESTIONS What are the effects of drug treatments for amoebic dysentery in endemic areas?......................2 INTERVENTIONS DRUG TREATMENTS Likely to be beneficialOrnidazole....................... Medical Parasitology. Prof. Dr. Ahmed Ali Mohammed. Introduction. Parasitology is the branch of biology concerned with the phenomenon of dependence of one living organism on another. Medical parasitology deals with the parasites which infect man, the diseases they produce, the response generated by him against them, and various methods of diagnosis, prevention and treatment..