GI Flashcards
(67 cards)
Before birth, what provides nutrients?
Placenta
Describe structure and maturity of GI tract at birth, and what does this cause
Structurally complete, immature
Increased incidence of vomiting
Sucking is a reflex until
6 weeks
Why should any baby born before 34 weeks not be fed orally?
No sucking reflex
Stomach capacity at birth
1 tablespoon, 15ml
In newborns, stomach distention can lead to
Respiratory depression
When can solids begin to be digested
4 months, when pancreatic enzymes begin to be produced
Intestinal motility/peristalsis is ___________ in newborns
increased
When are pancreatic enzymes produced
4 months
When does liver maturation occur?
first year of life
By what age should a child be having 3 meals a day?
2
When should a child gain excretory control?
2-3
Why do children have more urine/kg?
inability to concentrate urine
What is the most common and serious acquired GI disorder in hospitalized preterm neonates?
Necrotizing Enterocolitis
When does NEC appear
First 2 weeks of life after milk feeding begun
What are factors thought to cause NEC?
intestinal ischemia, bacterial/viral infection, lack of breast feedings, immaturity of intestine, low birth weight
Characteristic symptoms of NEC
distention, irritability, quick deterioration
Describe the treatment following the physical assessment (positive x-ray) of a baby with NEC
Quick deterioration!!!
Treatment is prompt
> NPO
> IV fluids
> ABX
> Sx
5 Long Term Complications of NEC
Malabsorption
Short bowel
Scarring causing obstruction following surgery
Scarring within abdomen causing pain and female infertility
Venous problems r/t long term TPN
5 Complications of Prematurity
- Intraventricular Hemorrhage
- Retinopathy of Prematurity
- Feeding/nutrition
- Anemia
- Respiratory Distress Syndrome
5 Causes of Acute GI disorders (dehydration/vomiting)
- Infection
- Structural Anomalies
- Neurologic
- Endocrine
- Food poisoning
Viral Causes of Diarrhea
- Rotovirus
- Adenovirus
- Norwalk
- Cytomegalovirus
Bacterial Causes of Diarrhea
- Salmonella
- E. Coli
- Shigella
- C. Diff
Assessment of Patient with mild dehydration:
alert, soft/flat fontanelles, normal eyes, pink moist oral mucosa, elastic turgor, normal HR/BP, warm pink extremities, brisk cap refill, maybe slightly decreased urine output