Patient 2: Kwan Siew Lan
1) Salmonella typhi
Description
- Facultative anaerobes
- Gram-negative rods
- Non-lactose fermentors
- Produce H2S
- Causes infection in the lining of the small intestine
Picture of Salmonella typhi taken from (http://www.nlm.nih.gov/ >
3) Vibrio parahaemolyticus
Description
- Curved, comma-shaped gram-negative rods
- Highly motile with polar flagella
- Grow well at alkaline pH (8.5-9.5)
- Halophillic bacteria that grow well in high NaCl concentration
Causes and Risk Factors
- Eating raw or undercooked shellfish, particularly oysters
- Infection in the skin when an open wound is exposed to warm seawater
- Persons with weakened immune systems
(http://www.cdc.gov > Diseases and Conditions > V > Vibrio parahaemolyticus Infection)
Signs and Symptoms
- watery diarrhea with abdominal cramping
- nausea
- vomiting
- fever
- chills
(http://www.cdc.gov > Diseases and Conditions > V > Vibrio parahaemolyticus Infection)
REASONS
Samonella typhi, Campylobacter jejuni and Vibrio parahaemolyticus commonly cause enterocolitis or some form of infection in the intestine with the symptom of diarrhea of varying degrees.
Medline > Medical Encycopedia >S-Sh > Samonella Enterocolitis)
Causes and Risk Factors
- Ingestion of contaminated food or water
- Ingestion of improperly prepared or stored food (especially undercooked turkey or chicken, unrefrigerated turkey dressing, undercooked eggs)
- Family members with recent salmonella infection
- Recent family illness with gastroenteritis
- Institutionalization
- Recent poultry ingestion
- Owning a pet iguana or other lizards, turtles, or snakes (reptiles are carriers of salmonella)
- Old or young age
- Patients with impaired immune systems
(http://www.nlm.nih.gov/ > Medline > Medical Encycopedia > S-Sh > Samonella Enterocolitis)
Transmission
- Transmitted mainly via fecal-oral rout and food prepared by chronic carriers
Signs and Symptoms
- Abdominal pain or cramping or tenderness
- Mild to severe diarrhea
- Nausea
- Vomiting
- Fever
- Chills
- Muscle pain
(http://www.nlm.nih.gov/ > Medline > Medical Encycopedia > S-Sh > Samonella Enterocolitis)
2) Campylobacter jejuni
Description
- Gram-negative “S” or “gull wing” shaped
- Motile with a single polar flagellum
- Micro-aerophillic (5%O2 with 10%O2)
Causes and Risk Factors
- Ingestion of contaminated food or water
- Ingestion of improperly prepared or stored food (especially undercooked turkey or chicken, unrefrigerated turkey dressing, undercooked eggs)
- Family members with recent salmonella infection
- Recent family illness with gastroenteritis
- Institutionalization
- Recent poultry ingestion
- Owning a pet iguana or other lizards, turtles, or snakes (reptiles are carriers of salmonella)
- Old or young age
- Patients with impaired immune systems
(http://www.nlm.nih.gov/ > Medline > Medical Encycopedia > S-Sh > Samonella Enterocolitis)
Transmission
- Transmitted mainly via fecal-oral rout and food prepared by chronic carriers
Signs and Symptoms
- Abdominal pain or cramping or tenderness
- Mild to severe diarrhea
- Nausea
- Vomiting
- Fever
- Chills
- Muscle pain
(http://www.nlm.nih.gov/ > Medline > Medical Encycopedia > S-Sh > Samonella Enterocolitis)
2) Campylobacter jejuni
Description
- Gram-negative “S” or “gull wing” shaped
- Motile with a single polar flagellum
- Micro-aerophillic (5%O2 with 10%O2)
Medline > Medical Encycopedia > C-Cg > Campylobacter Enteritis)
Causes and Risk Factors
- Eating or drinking contaminated food or water, often raw poultry, fresh produce, or unpasteurized milk
- Close contact with infected people or animals
- Recent travel in an area of poor hygiene or sanitation
(http://www.nlm.nih.gov/ > Medline > Medical Encycopedia > C-Cg > Campylobacter Enteritis)
Transmission
- Via Faecal-oral route, contaminated food and water with animal faeces
Signs and Symptoms
- Cramping abdominal pain
- Watery diarrhea, sometimes bloody
- Fever
(http://www.nlm.nih.gov/ > Medline > Medical Encycopedia > C-Cg > Campylobacter Enteritis)
- Eating or drinking contaminated food or water, often raw poultry, fresh produce, or unpasteurized milk
- Close contact with infected people or animals
- Recent travel in an area of poor hygiene or sanitation
(http://www.nlm.nih.gov/ > Medline > Medical Encycopedia > C-Cg > Campylobacter Enteritis)
Transmission
- Via Faecal-oral route, contaminated food and water with animal faeces
Signs and Symptoms
- Cramping abdominal pain
- Watery diarrhea, sometimes bloody
- Fever
(http://www.nlm.nih.gov/ > Medline > Medical Encycopedia > C-Cg > Campylobacter Enteritis)
3) Vibrio parahaemolyticus
Description
- Curved, comma-shaped gram-negative rods
- Highly motile with polar flagella
- Grow well at alkaline pH (8.5-9.5)
- Halophillic bacteria that grow well in high NaCl concentration
Picture of Vibrio parahaemolyticus taken from
Causes and Risk Factors
- Eating raw or undercooked shellfish, particularly oysters
- Infection in the skin when an open wound is exposed to warm seawater
- Persons with weakened immune systems
(http://www.cdc.gov > Diseases and Conditions > V > Vibrio parahaemolyticus Infection)
Signs and Symptoms
- watery diarrhea with abdominal cramping
- nausea
- vomiting
- fever
- chills
(http://www.cdc.gov > Diseases and Conditions > V > Vibrio parahaemolyticus Infection)
REASONS
Samonella typhi, Campylobacter jejuni and Vibrio parahaemolyticus commonly cause enterocolitis or some form of infection in the intestine with the symptom of diarrhea of varying degrees.
Posted by Melva
1 comment:
Hey Melva,
daphne here, was jus interested in finding out, from the various organisms you have suspected,salmonella,shigella,etc why do u think salmonella is the most probable microorganism?
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