bacteria that cause food poisoning wiki
Food Poisoning ppt
Ngày tải lên :
06/03/2014, 20:20
... INTRODUCTION 1 The Extent of Food Poisoning Various Kinds of Food Poisoning The Articles of Food
Most Commonly Connected with Food Poisoning
II. SENSITIZATION TO PROTEIN FOODS 9
III. POISONOUS PLANTS ... hardly
warranted.
VARIOUS KINDS OF FOOD POISONING
Cases of poisoning by articles of food may be distinguished as: (1) those caused by some injurious constituent
in the food itself, and (2) those caused by a peculiar ... human
carrier. Foods such as ice-cream that are prepared with milk are also often connected with food poisoning. It
seems probable that illness caused by ice-cream is much more commonly due to bacterial...
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Báo cáo khoa học: Sugar and alcohol molecules provide a therapeutic strategy for the serpinopathies that cause dementia and cirrhosis pot
Ngày tải lên :
30/03/2014, 11:20
... at
concentrations that cause an increase in viscosity com-
parable with that of the highest concentration of gly-
cerol, had no effect on the rate of polymerization. An
alternative explanation is that the ... Ser49Pro neuroserpin mutant that causes the demen-
tia FENIB. Moreover, glycerol has a similar effect on
the Z mutant of a
1
-antitrypsin that polymerizes within
hepatocytes to cause liver disease. ... b-sheet A (Fig. 5C). Our previous work
has shown that Ser49Pro neuroserpin mutation causes
the molecule to adopt a polymerogenic conformation
that is intermediate between wild-type protein and
fully...
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Chapter 122. Acute Infectious Diarrheal Diseases and Bacterial Food Poisoning (Part 1) pdf
Ngày tải lên :
07/07/2014, 04:20
... Diarrheal Diseases
and Bacterial Food Poisoning
(Part 1)
Harrison's Internal Medicine > Chapter 122. Acute Infectious Diarrheal
Diseases and Bacterial Food Poisoning
Acute Infectious ... Infectious Diarrheal Diseases and Bacterial Food Poisoning:
Introduction
Ranging from mild annoyances during vacations to devastating dehydrating
illnesses that can kill within hours, acute ... agents involved, including viruses,
bacteria, and parasitic pathogens (Table 122-1). This chapter discusses factors that
enable gastrointestinal pathogens to cause disease, reviews host defense...
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Chapter 122. Acute Infectious Diarrheal Diseases and Bacterial Food Poisoning (Part 2) doc
Ngày tải lên :
07/07/2014, 04:20
... strains of E. coli may produce a protein called heat-labile
enterotoxin (LT) that is similar to cholera toxin and causes secretory diarrhea by
the same mechanism. Alternatively, enterotoxigenic ... form of which causes diarrhea by activation of
guanylate cyclase and elevation of intracellular cyclic GMP. Some enterotoxigenic
strains of E. coli produce both LT and ST.
Bacterial cytotoxins, ... colitis and hemolytic-uremic
syndrome.
Neurotoxins are usually produced by bacteria outside the host and therefore
cause symptoms soon after ingestion. Included are the staphylococcal and Bacillus...
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Chapter 122. Acute Infectious Diarrheal Diseases and Bacterial Food Poisoning (Part 4) doc
Ngày tải lên :
07/07/2014, 04:20
... Approach to the Patient: Infectious Diarrhea or Bacterial Food
Poisoning
The approach to the patient with possible infectious diarrhea or bacterial
food poisoning is shown in Fig. 122-1.
Figure ... constructing a list of recently eaten foods. If a common
source seems likely, specific foods can b
e investigated. See text for a discussion
of bacterial food poisoning. 9.
Current antibiotic ... community-
acquired infectious diarrhea or bacterial food poisoning.
Key to superscripts:
1.
Diarrhea lasting >2 weeks is generally defined as chronic; in such cases, many
of the causes of acute diarrhea...
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Chapter 122. Acute Infectious Diarrheal Diseases and Bacterial Food Poisoning (Part 5) pps
Ngày tải lên :
07/07/2014, 04:20
... Diarrheal Diseases
and Bacterial Food Poisoning
(Part 5)
History
The answers to questions with high discriminating value can quickly
narrow the range of potential causes of diarrhea and ...
Irritable bowel syndrome
Occurs in ~10% of travelers with
traveler's diarrhea
The organisms that cause traveler's diarrhea vary considerably with location
(Table 122-3). In all areas, ...
Chronic diarrhea
Lactase deficiency
Occurs in ~1% of travelers with
acute diarrhea
Small-
bowel bacterial
overgrowth
Malabsorption syndromes
(tropical and celiac sprue)
Protozoa account...
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Chapter 122. Acute Infectious Diarrheal Diseases and Bacterial Food Poisoning (Part 6) pptx
Ngày tải lên :
07/07/2014, 04:20
... Chapter 122. Acute Infectious Diarrheal Diseases
and Bacterial Food Poisoning
(Part 6)
Table 122-3 Epidemiology of Traveler's Diarrhea
Etiologic Agent ...
multiplication of C. difficile (Chap. 123).
Unknown 20
Illness improves with
antibacterial therapy,
implicating bacterial diarrhea
Source: After Dupont.
Location
Day-care centers have particularly ...
Russia, Mexico, and Africa;
causes large-
scale urban
outbreaks in United States
Cyclospora <1
Affects travelers to
Nepal, Haiti, and Peru;
contaminates water or food
...
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Chapter 122. Acute Infectious Diarrheal Diseases and Bacterial Food Poisoning (Part 7) potx
Ngày tải lên :
07/07/2014, 04:20
... ingestion of specific foods and the time of onset of the diarrhea
after a meal can provide clues to the bacterial cause of the illness. Potential causes
of bacterial food poisoning are shown ... cases of staphylococcal food
poisoning are caused by contamination from infected human carriers.
Staphylococci can multiply at a wide range of temperatures; thus, if food is left to
cool slowly ... bacterial food poisoning are shown in Table 122-4.
Table 122-4 Bacterial Food Poisoning
Incubation Period,
Organism
Symptoms
Common Food
Sources
1–6 H
Staphylococcus
aureus
Nausea, vomiting,...
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Chapter 122. Acute Infectious Diarrheal Diseases and Bacterial Food Poisoning (Part 8) pptx
Ngày tải lên :
07/07/2014, 04:20
... traveler's diarrhea are listed in Table 122-5.
Not all food poisoning has a bacterial cause. Nonbacterial agents of short-
incubation food poisoning include capsaicin, which is found in hot peppers, ... diarrheal form, caused by an enterotoxin
resembling E. coli LT, in which diarrhea and abdominal cramps are characteristic
but vomiting is uncommon. The emetic form of B. cereus food poisoning is ... Fresh stools should
be examined for amebic cysts and trophozoites
Infectious Diarrhea or Bacterial Food Poisoning: Treatment
In many cases, a specific diagnosis is not necessary or not available...
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Chapter 122. Acute Infectious Diarrheal Diseases and Bacterial Food Poisoning (Part 9) pdf
Ngày tải lên :
07/07/2014, 04:20
...
Guerrant RL, Bobak DA: Bacterial and protozoal gastroenteritis. N Engl J
Med 325:327, 1991 [PMID: 2057037]
Chapter 122. Acute Infectious Diarrheal Diseases
and Bacterial Food Poisoning
(Part ... developing countries. Travelers can reduce their risk of diarrhea by
eating only hot, freshly cooked food; by avoiding raw vegetables, salads, and
unpeeled fruit; and by drinking only boiled or treated ... randomised, placebo-
controlled trials. Lancet Infect Dis
6:374, 2006 [PMID: 16728323]
Tauxe RV et al: Foodborne disease, in
Mandell, Douglas and Bennett's
Principles and Practice of Infectious...
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NGỘ ĐỘC THỨC ĂN (FOOD POISONING) Phần 1 ppsx
Ngày tải lên :
13/07/2014, 20:20
...
s
ốt, đau bụng quặn,
tiêu chảy
Salmonella,Shigella,
Clostridium jejuni,
NGỘ ĐỘC THỨC ĂN
(FOOD POISONING)
Phần 1
1/ KỂ NHỮNG NGUYÊN NHÂN CỦA NGỘ ĐỘC THỨC ĂN
- Ngoại độc tố được sản xuất ... chuyên khoa tiêu hóa. Sốt cao không phải là một đặc tính
thông thường của tiêu chảy do vi khuẩn (bacterial diarrhea) ngoại trừ bệnh
Shigella ( shigellosis )
8/ CHẨN ĐOÁN PHÂN BIỆT TIÊU CHẢY GÂY ... dấu
hiệu tiên đoán nhạy cảm và đặc hiệu về nguyên nhân vi khuẩn xâm nhập
niêm mạc ( invasive bacteria ) của chứng tiêu chảy và khả năng cấy phân
dương tính với vi khuẩn.
11/ BỆNH TIÊU CHẢY...
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NGỘ ĐỘC THỨC ĂN (FOOD POISONING) Phần 2 pptx
Ngày tải lên :
13/07/2014, 20:20
...
thức ăn do S.aureus là nguyên nhân đứng hàng thứ 4 của bệnh vi khuẩn
truyền bởi thức ăn (bacterial food- borne illness), mặc dầu tỷ lệ mắc bệnh có
lẽ bị đánh giá thấp do tiến triển nhanh của ...
ra máu, hoặc bệnh kéo dài hơn một tuần, hoặc bệnh nhân có thai, nhiễm HIV
NGỘ ĐỘC THỨC ĂN
(FOOD POISONING)
Phần 2
18/ VI KHUẨN GÂY TIÊU CHẢY NÀO LIÊN KẾT VỚI CO
GIẬT DO SỐT Ở TRẺ EM ? ... ĐIỂM LÂM SÀNG CỦA NGỘ
ĐỘC THỨC ĂN . pdf (128KB)
- Ngộ độc bởi histamine của cá ( histamine fish poisoning) ( hay
scombroid ) được gây nên do sự tạo thành histamine hay amine trong cá ngừ
California...
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NGỘ ĐỘC THỨC ĂN ( FOOD POISONING) pptx
Ngày tải lên :
26/07/2014, 17:21
... khi được
nhận thấy.
25/Ý NGHĨA CỦA MỘT HÒN GIÁP (THYROID NODULE) SỜ
NGỘ ĐỘC THỨC ĂN
( FOOD POISONING)
1/ KỂ NHỮNG NGUYÊN NHÂN CỦA NGỘ ĐỘC THỨC ĂN
Ngoại độc tố được sản xuất ... là dấu hiệu
tiên đoán nhạy cảm và đặc hiệu về nguyên nhân vi khuẩn xâm nhập niêm
mạc (invasive bacteria) của chứng tiêu chảy và khả năng cấy phân dương
tính với vi khuẩn.
10/ BỆNH TIÊU CHẢY ... năm 1996 đến 1997, người ta ước tính ở Hoa Kỳ có 76 triệu trường
hợp bệnh do ngộ độc thức ăn (food- borne illness) đưa đến 325.000 lần
12/ MONTEZUMA’s REVENGE LÀ GÌ ?
Hầu hết các trường...
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