Diarrhoea Flashcards
What are the causes of acute diarrhoea?
- Infection
- Thyrotoxicosis
- Malabsorption - coeliac, IBD
What are the causes of chronic diarrhoea in infants?
- Cow’s milk protein intolerance
- Coeliac disease
- Post-gastroenteritis lactose intolerance
What is this a presentation of?
Pre-school age, frequently passing loose stools but otherwise well and thriving. Presence of undigested food in stools. Resolves without intervention.
Toddler diarrhoea
What is the most common cause of gastroenteritis?
Viral - rotavirus most commonly
What is the route of transmission of gastroenteritis?
Faeco-oral (highly contagious)
When is the peak incidence of gastroenteritis and in which group of children is the incidence reduced?
- 9 months to 2 years old
2. Breast-fed babies
What is this a presentation of?
Vomiting, loose stools, abdominal cramps, general malaise, dehydration.
Gastroenteritis
What signs may be present in severe gastroenteritis?
- Dehydration - sunken fontanelle and eyes, dry mucous membranes, tachycardia, lethargy.
- Shock - pale/mottled skin, cold hands and feet, CRT >2s, weak peripheral pulse, hypotension.
How is gastroenteritis diagnosed?
- Clinical diagnosis
2. Stool sample - if blood/mucus, immunocompromised, recent travel
What is the management of gastroenteritis?
- Supportive, usually resolves after 48hrs
- Loose stools may persist for 1-2 weeks
- Discourage fruit juice and fizzy drinks
- Oral rehydration therapy (Dioralyte)
- Admit for IV fluids if still dehydrated