Pediatric Gastrointestinal Surgery

What is the recommended rate of intravenous fluids during the preoperative period?

120 ml/kg/day of 0.9% NaCl + 5% dextrose
200 ml/kg/day of 0.9% NaCl + 5% dextrose
100 ml/kg/day of 0.9% NaCl + 5% dextrose
150 ml/kg/day of 0.9% NaCl + 5% dextrose (correct)

What is the primary goal of resuscitation in the preoperative period?

To restore adequate blood glucose levels
To ensure normal blood test results before surgery (correct)
To achieve proper hydration within 24 hours
To correct electrolyte imbalance

What is the surgical procedure performed to treat pyloric stenosis?

Gastric Bypass Surgery
Duodenal Repair
Intestinal Resection
Ramstedt's Operation (Pyloromyotomy) (correct)

What is the recommended postoperative feeding schedule?

Start 25% normal feed (milk) 3 hourly and increase as tolerated (B) Signup and view all the answers

What is a possible complication of incomplete pyloromyotomy?

Need for reoperation (A) Signup and view all the answers

What is the recommended duration of intravenous antibiotics administration in cases of duodenal perforation?

48 hours (D) Signup and view all the answers

What is the incidence of Pyloric Stenosis in live births?

1–4 per 1000 live births (D) Signup and view all the answers

What is the risk factor for Pyloric Stenosis if the mother is affected?

7% increase in risk (D) Signup and view all the answers

What is the characteristic of the pyloric canal in Pyloric Stenosis?

Lengthened and narrowed (A) Signup and view all the answers

What is the effect of Pyloric Stenosis on gastric outlet obstruction?

Loss of acid, Na, Cl, K, and water (B) Signup and view all the answers

What is the typical postnatal age of onset for symptoms of Pyloric Stenosis?

2 weeks to 2 months (B) Signup and view all the answers

What is the characteristic of vomiting in Pyloric Stenosis?

Projectile non-bilious vomiting immediately after feeding (A) Signup and view all the answers

What is the compensatory response to gastric outlet obstruction in Pyloric Stenosis?

Renal preservation of Na+ and initial loss of K+ (A) Signup and view all the answers

What is the effect of Pyloric Stenosis on electrolyte balance?

Metabolic alkalosis and hypokalemia (D) Signup and view all the answers

Which one is a pathognomonic sign for hypertrophic pyloric stenosis (IHPS)?

Palpable olive-like mass in the epigastrium (B) Signup and view all the answers

What symptom is common to both gastroenteritis and milk protein allergy?

Presence of diarrhea (B) Signup and view all the answers

In the diagnosis of IHPS, which muscle thickness measurement on abdominal ultrasonography is indicative of the condition?

> 4 mm (A) Signup and view all the answers

Which blood test result is typically NOT associated with IHPS?

↑ K+ (D) Signup and view all the answers

What is the primary purpose of resuscitation in the management of pyloric stenosis?

To manage dehydration and electrolyte imbalances (A) Signup and view all the answers

Which diagnostic method is comparable to seeing a 'hot dog in a bun' appearance?

Abdominal ultrasonography (C) Signup and view all the answers

Which condition is characterized by acidosis rather than alkalosis?

Metabolic diseases (A) Signup and view all the answers

Why might gastric decompression by a nasogastric tube not typically be required in pyloric stenosis?

It is only needed in severe cases and after contrast study (D) Signup and view all the answers