The nurse was performing a cardiovascular assessment on an adult male patient. She kept the stethoscope over the fourth intercostal space in the left sternal border. Which area did she assess?

1. A

   Pulmonic area

2. B

   Aortic area

3. C

   Mitral area

4. D

   Tricuspid area

Appeared in: DSSSB 13 August 2024

Explanation

• The Tricuspid area, where sounds from the tricuspid valve are best heard, is located at the fourth or fifth intercostal space along the left sternal border.
• The question describes the exact anatomical landmark for auscultating the tricuspid valve.
• At this location, the first heart sound (S1 or "lub") is typically louder than the second heart sound (S2 or "dub").

Why Other Options Were Wrong

• Option A: The Pulmonic area is located superior to the area described in the question.
• Option B: The Aortic area is on the opposite side of the sternum and superior to the location described.
• Option C: The Mitral area is located more inferiorly and laterally than the position described.

Related Visual

Clinical Relevance

• Nursing practice connection: Use the key finding related to Anatomical landmarks for cardiac auscultation to guide bedside assessment, documentation, and the next nursing action.
• Accurate stethoscope placement is a fundamental nursing skill required to differentiate normal heart sounds (S1, S2) from abnormal sounds like murmurs, gallops (S3, S4), and friction rubs, which can indicate serious cardiac conditions.
• What if the patient was obese or had a barrel chest? The landmarks would be harder to palpate, requiring the nurse to use firmer pressure and potentially have the patient lean forward to bring the heart closer to the chest wall for clearer sounds.
• In the Indian context, rheumatic heart disease remains a significant cause of valvular abnormalities. Correct auscultation is key for early detection of murmurs associated with this condition.

How to Approach the Question

• First, identify the key information in the stem: the anatomical location ('fourth intercostal space', 'left sternal border').
• This is a factual recall question. Access your knowledge of the five cardiac auscultation points.
• Use a mnemonic like 'All People Enjoy Time Magazine' (Aortic, Pulmonic, Erb's, Tricuspid, Mitral) to mentally map the locations from top to bottom, right to left.
• Match the given location (4th ICS, LSB) to the corresponding area in the mnemonic (Tricuspid).
• Eliminate the other options by recalling their distinct anatomical locations.

Concept Tested & Keywords

• Concept Tested: Anatomical landmarks for cardiac auscultation
• Stem keywords: cardiovascular assessment, stethoscope, fourth intercostal space, left sternal border
• Lead-in keywords: Which area
• Clinical cues: Age/sex group narrows the expected diagnosis, intervention, or normal reference range.
• Negative lead-in flag: false

Question ID

Qe6leAETRLCEmG0-qCVO3v

Copy ID

Reference Book

E6 Nursing Fundamentals Potter Perry 12e Part 3 p. 98-100

E6 Nursing Fundamentals Taylor p. 399-401