SCTIMST Staff Nurse -…: The nurse is preparing to give an IM injection. Which of the following sites has maximum chance to damage of…

SCTIMST Staff Nurse - 2015 (Set-B)

Nursing Foundation

Easy

Appeared in: SCTIMST Staff Nurse - 2015 (Set-B)

Explanation

The dorsogluteal site is located in the upper-outer quadrant of the buttock and has the highest risk of nerve injury among the common IM sites.
The primary danger is its proximity to the large sciatic nerve. An improperly placed needle can directly traumatize the nerve.
Consequences of sciatic nerve injury include intense pain, sensory loss, muscle weakness, and foot drop, which can be permanent.
Due to these well-documented risks, major health organizations and nursing guidelines strongly advise against using the dorsogluteal site.

Option A: The deltoid muscle has a risk of injury to the radial nerve, but this risk is considered lower than the risk of sciatic nerve injury at the dorsogluteal site. The deltoid is also a smaller muscle, limiting its use to small volumes.
Option C: The ventrogluteal site is considered the safest IM injection site. It is located away from major nerves and blood vessels, making the risk of nerve damage extremely low.
Option D: The vastus lateralis site, located on the anterolateral thigh, is also a very safe site with a low risk of nerve injury. It is the preferred site for infants and young children for this reason.

Clinical Relevance

Nursing practice connection: Knowing Anatomical Sites for Intramuscular Injections and Associated Risks helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Patient safety is paramount. Nurses must use evidence-based practice, which means avoiding the dorsogluteal site and selecting safer alternatives like the ventrogluteal site to prevent debilitating nerve injuries.
Proper landmarking is a critical nursing skill. Before any IM injection, the nurse must accurately palpate bony landmarks to ensure the needle is placed in the center of the target muscle, far from nerves and blood vessels.
What if a patient specifically requests an injection in the buttock (dorsogluteal site)? The nurse has a duty to educate the patient about the risks of sciatic nerve injury and explain why the ventrogluteal site is a much safer and preferred alternative for their well-being.

How to Approach the Question

First, identify the core of the question: it's asking for the IM injection site with the 'maximum chance' of nerve damage.
Recall the anatomy associated with each of the four listed sites: Deltoid (arm), Dorsogluteal (buttock), Ventrogluteal (hip), and Vastus Lateralis (thigh).
Mentally review the major nerves and blood vessels near each site. Think about which site has a large, critical nerve running through or near it.
Compare the risks. The deltoid has the radial nerve nearby. The dorsogluteal site is famously associated with the sciatic nerve. The ventrogluteal and vastus lateralis are known for being relatively free of major nerves.
Conclude that the risk of hitting the sciatic nerve at the dorsogluteal site is the most significant and well-known danger among the options, making it the site with the maximum chance of major nerve damage.

Concept Tested & Keywords

Concept Tested: Anatomical Sites for Intramuscular Injections and Associated Risks
Stem keywords: IM injection, damage, major nerves
Lead-in keywords: maximum chance

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E6 Nursing Fundamentals Taylor p. 861-863

E6 Nursing Fundamentals Potter Perry 12e Part 3 p. 174-176