A nurse is performing CPR on an adult patient. When performing chest compressions, the nurse understands the correct hand placement is located over the?

1. A

   Upper third of the sternum

2. B

   Upper third of the sternum

3. C

   Lower half of the sternum

4. D

   Lower third of the sternum

Appeared in: BSF Staff Nurse - 2021

Explanation

• The correct hand placement for effective chest compressions in an adult is the lower half of the sternum.
• This landmark ensures that pressure is applied directly over the heart, which lies between the sternum and the spine.
• Placing the heel of one hand on the center of the chest over the lower half of the sternum, with the other hand on top, maximizes cardiac output during CPR.
• This technique is a critical component of high-quality CPR, which is directly linked to improved survival rates from cardiac arrest.

Why Other Options Were Wrong

• Option A: Compressions on the upper third of the sternum are too high to effectively compress the heart. This placement would not generate adequate blood flow to vital organs.
• Option B: This is a duplicate of the previous incorrect option. Compressions on the upper third of the sternum are ineffective as they are not positioned over the main chambers of the heart.
• Option D: This placement is too low and dangerous. The lower third of the sternum is close to the xiphoid process. Pressure on the xiphoid process can cause it to fracture and lacerate the liver or spleen, leading to life-threatening internal bleeding.

Related Visual

Clinical Relevance

• Nursing practice connection: Use the key finding related to Correct hand placement for adult cardiopulmonary resuscitation (CPR) to guide bedside assessment, documentation, and the next nursing action.
• Correct hand placement is a fundamental skill in Basic Life Support (BLS) that directly impacts patient outcomes. Improper placement can render CPR ineffective or cause severe harm.
• High-quality CPR, including correct hand position, rate, depth, and recoil, is the single most important determinant of survival and neurological recovery after cardiac arrest.
• Nurses must be proficient in CPR and ready to initiate it immediately, as every minute without effective compressions decreases the chance of survival.

How to Approach the Question

• First, identify the core of the question: it's asking for a specific detail of a standard medical procedure (CPR on an adult).
• Recall the anatomical landmarks of the chest, specifically the sternum (breastbone).
• Mentally visualize the procedure. Remember that the goal is to compress the heart.
• Evaluate the options based on effectiveness and safety. Compressions that are too high will miss the heart. Compressions that are too low risk injuring the xiphoid process and internal organs.
• Eliminate the 'upper third' options as being too high and ineffective.
• Differentiate between 'lower half' and 'lower third'. 'Lower half' is the broader, standard guideline that ensures the heart is compressed while safely avoiding the xiphoid process. 'Lower third' is too specific and risks being too low.

Concept Tested & Keywords

• Concept Tested: Correct hand placement for adult cardiopulmonary resuscitation (CPR).
• Stem keywords: CPR, adult patient, chest compressions, hand placement, sternum
• Lead-in keywords: correct hand placement

Question ID

QBxTX0I9XHIhLhiP0K-H6F

Copy ID

Reference Book

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

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