What should be the chest depth in adults and children during CPR?

Appeared in: Bihar CHO -2019

Explanation

The recommended compression depth for adults is 5-6 cm (approximately 2-2.4 inches).
The recommended compression depth for children is approximately 5 cm (2 inches).
The range of 2 to 2.5 inches is the only option that effectively covers the guidelines for both adults and children.
This depth ensures adequate circulation to vital organs during cardiac arrest.

Option B: This range is too shallow for most adults, as the minimum recommended depth is 2 inches (5 cm).
Option C: This depth is appropriate only for infants (approximately 1.5 inches or 4 cm). It is too shallow to be effective for children or adults.
Option D: This depth is excessive and dangerous. The maximum recommended depth for adults is 2.4 inches (6 cm). Compressing deeper increases the risk of iatrogenic injuries such as rib fractures, lung contusions, or liver lacerations.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain The question tests the knowledge of recommended chest compression depths during cardiopulmonary resuscitation (CPR) for different age groups, specifically adults and children as background academic context rather than a clinical decision trigger.
Performing high-quality CPR with the correct compression depth and rate is a fundamental nursing skill that directly impacts patient survival and neurological outcomes after cardiac arrest.
Inadequate compression depth fails to generate sufficient blood flow to the brain and heart, while excessive depth can cause life-threatening injuries.
Nurses must be able to quickly adapt their CPR technique based on the patient's age (adult, child, or infant) to provide effective and safe resuscitation.

How to Approach the Question

First, identify the core of the question: it asks for a single chest compression depth range applicable to both adults and children.
Recall the specific CPR guidelines for each age group. For adults, it's 2-2.4 inches (5-6 cm). For children, it's about 2 inches (5 cm).
Evaluate each option to see which one best encompasses both of these values.
Option A (2 to 2.5 inches) includes the 2-inch depth for children and the 2-2.4 inch range for adults.
Eliminate other options: 1.5-2 inches is too shallow for adults, 1-1.5 inches is for infants, and 2.5-3 inches is too deep and dangerous.
Conclude that the 2 to 2.5-inch range is the most accurate choice provided.

Concept Tested & Keywords

Concept Tested: The question tests the knowledge of recommended chest compression depths during cardiopulmonary resuscitation (CPR) for different age groups, specifically adults and children.
Stem keywords: chest depth, adults, children, CPR
Lead-in keywords: What should be

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E6 Ghai Essential Pediatrics(pp 26-904 of 913) p. 763-765

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 610-612

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