NORCET 8 Prelims-2025
Obstetrics & Gynaecology
Easy
The Image shows a pathological retraction ring observed in obstructed labour. What is the name of this condition?
Appeared in: NORCET 8 Prelims-2025
Explanation
- The image displays a classic Bandl's ring, which is a pathological retraction ring.
- This ring is a visible and palpable transverse groove on the abdomen that forms during obstructed labor.
- It marks the junction between the hypertrophied upper uterine segment and the dangerously thinned lower uterine segment.
- Its presence is a critical sign of impending uterine rupture, which is an obstetric emergency.
Why Other Options Were Wrong
- Option B: A physiological retraction ring is a normal anatomical boundary that forms during labor. It is not visible or palpable on the abdomen.
- Option C: A Shroader (or Schroeder's) ring is a constriction ring, which is a localized spasm of the uterine muscle. It is a form of incoordinate uterine action, not a retraction ring caused by obstruction.
- Option D: This is a general, non-specific term. While Bandl's ring is a type of uterine ring, this option lacks the clinical precision required for a diagnosis.
Related Visual
- Visual 1: Diagram - A comparative illustration showing the differences between a normal physiological retraction ring, a pathological Bandl's ring in obstructed labor, and a constriction (Schroeder's) ring.
- Visual 2: Animation - An animation showing the progression of uterine contractions in obstructed labor, leading to the upward rise and formation of Bandl's ring.
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification of pathological retraction ring in obstructed labor as background academic context rather than a clinical decision trigger.
- The identification of Bandl's ring is an obstetric emergency. It signifies that the uterus is under extreme strain and is at high risk of rupturing.
- A nurse's immediate action upon observing this sign is to alert the obstetrician or physician immediately and prepare the patient for an emergency Cesarean section.
- Failure to act promptly can lead to uterine rupture, resulting in severe hemorrhage, shock, and potentially fatal outcomes for both the mother and the fetus.
How to Approach the Question
- First, carefully analyze the image provided. Identify the key visual feature, which in this case is the prominent transverse groove across the pregnant abdomen.
- Next, read the question stem, which provides the clinical context: 'a pathological retraction ring observed in obstructed labour'.
- Correlate the visual sign with the clinical context. The abdominal groove is the external manifestation of the pathological retraction ring.
- Evaluate the options provided. Match the identified sign and condition to the most specific and accurate medical term.
- Eliminate the incorrect options: 'Physiological retraction ring' is normal and not visible, 'Shroader ring' is a different pathology (constriction), and 'Uterine ring' is too general.
- Select 'Bandl's ring' as it is the specific name for the pathological retraction ring seen in obstructed labor.
Concept Tested & Keywords
- Concept Tested: Identification of pathological retraction ring in obstructed labor.
- Stem keywords: pathological retraction ring, obstructed labour, Image
- Lead-in keywords: What is the name
- Clinical cues: The visual cue of a transverse groove on a pregnant abdomen is the key to identifying the condition.
Question ID
QK1-r8I3OiFERo5lvSwKiP
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