GI Infectious disease Flashcards
Main causes GI illnesses?
- Poor sanitation hygiene 2. Poor food habits
What is diarrhoea
Unformed stools- holds the shape of the container, quite runny container.
Ask about
- Normal bowel habit
- Blood in shite
- Laxative use
Stool chart
What is food poisoning?
Illness caused by eating food contaminated with micro-organisms
Most commonly Bacteria infections, some can be viruses or parasites.
History taking for Food poisoning?
- Dirrhoea, frequence, blood
- Food histroy- time, type, storage, washing
- Contacts
- Patient age
- Pets
- Epidemiology- travel, events, contacts
Staphylococus aureus preformed toxin in food, acts where in yhe brain?
Vomiting centre
Bacilus Cereus
Main pathological effect of Toxins on bowel?
Fluid out-pouring into bowel lumen
Most common pathogen causing infective Enteritis?
Campylobacter
Food- Poultry- Milk
Invasive- Blood, pain, fever
Salmonella Enteridits is also associated with polutry, raw eggs etc. T/F?
True
Blood, fever etc
E. Coli affects the gut how?
Enterohaemorrhagic E.coli- causes haemorrhage of enterocytes in the gut.
E.coli can be toxically similar to _
Shigella
Antibiotics are usually not given in an E.coli infection why?
Increases the
E.Coli 1057, the most dangerous type , has what symptom?
Bloody diarrhoea
Children & elderly at risk of complications- Mince beef, milk.
How does Haemolytic uraemic syndrome present?
Abdo pain, fever, pallor
NO antibiotics, Anti-motility agents or NSAID’s for HUS
