is invagination or telescoping of portion of the intestine into an adjacent, more distal section of the intes… - ESIC Nursing Officer 2016 (shift-1)

ESIC Nursing Officer 2016 (shift-1)

Child Health Nursing (Pediatrics)

Easy

Appeared in: ESIC Nursing Officer 2016 (shift-1)

Explanation

Intussusception is the precise medical term for the invagination or 'telescoping' of one segment of the intestine into another, as described in the question.
This process creates a physical (mechanical) blockage, obstructing the passage of stool and gas.
It is a common cause of acute abdominal emergency in young children, typically under 3 years of age.
The telescoping action can compromise the blood supply to the bowel wall, leading to the classic sign of 'currant jelly' stools (a mix of blood and mucus) due to ischemia.

Option A: Hirschsprung's disease causes a functional obstruction due to the congenital absence of nerve cells (ganglia) in the colon wall, which prevents normal peristalsis. It is not a mechanical telescoping.
Option B: An aneurysm is a localized, blood-filled bulge in the wall of a blood vessel. It is a cardiovascular condition and is unrelated to the gastrointestinal tract or bowel obstruction.
Option C: Enterocolitis is the inflammation of the small intestine and colon. While it can be a serious complication of both intussusception (due to ischemia) and Hirschsprung's disease, it is the inflammation itself, not the primary mechanical telescoping event.

Visual 1: Ultrasound Image - An abdominal ultrasound showing the characteristic 'target sign' or 'donut sign,' which is the definitive diagnostic image for intussusception.
Visual 2: Diagram - An illustration comparing a normal intestine with one affected by intussusception, highlighting the intussusceptum, intussuscipiens, and the compromised mesentery and blood vessels.
Visual 3: Flowchart - A clinical pathway for managing a child with suspected intussusception, outlining steps from initial assessment (pain, mass, stools) to diagnosis (ultrasound) and treatment (air/contrast enema vs. surgery).

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Pathophysiology of Mechanical Bowel Obstruction as background academic context rather than a clinical decision trigger.
Intussusception is a pediatric emergency. A nurse's rapid assessment and recognition of the triad of symptoms—colicky abdominal pain, a palpable sausage-shaped mass, and red currant jelly stools—is critical for early intervention.
Nurses play a key role in preparing the child and family for a therapeutic air or contrast enema, which is both diagnostic and often curative. Post-procedure monitoring for recurrence or signs of perforation is a vital nursing responsibility.
What if? If a child with suspected intussusception develops a high fever, a rigid and tender abdomen, and signs of shock, this indicates bowel perforation and peritonitis. In this scenario, a therapeutic enema is contraindicated, and the nurse must prepare the patient for immediate emergency surgery.

How to Approach the Question

First, identify the key descriptive terms in the question: 'invagination,' 'telescoping,' 'intestine,' and 'mechanical obstruction.' These words paint a very specific picture of a physical event.
Next, analyze the provided image, which visually confirms the 'telescoping' of one part of the bowel into another.
Evaluate the options based on this clear definition. 'Intussusception' is the direct medical term for this phenomenon.
Rule out the distractors by recalling their definitions: Hirschsprung's is a functional/nerve issue, an aneurysm is a vascular issue, and enterocolitis is inflammation. None of these match the mechanical telescoping described.

Concept Tested & Keywords

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