Spoon shaped nails are characteristic of -

Appeared in: RUHS, Jaipur, PB B.Sc Nursing Entrance-2024

Explanation

Spoon-shaped nails, medically known as koilonychia, are a characteristic sign of long-standing iron deficiency anemia.
In this condition, the nails become thin, brittle, and develop a concave depression, resembling a spoon.
This deformity occurs because iron is essential for the formation of healthy nail plate cells, and its deficiency disrupts normal nail growth.

Option B: COPD causes chronic hypoxia (low oxygen levels), which leads to nail clubbing (enlargement of fingertips and downward curving of nails), not koilonychia.
Option C: While severe, chronic asthma can lead to hypoxia, it is primarily associated with nail clubbing, not the spooning seen in koilonychia.
Option D: Congenital heart diseases (CHD), particularly cyanotic types, are a classic cause of nail clubbing due to systemic hypoxemia (low oxygen in the blood).

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Nail abnormalities as clinical signs of underlying disease as background academic context rather than a clinical decision trigger.
Nurses should assess patients' nails as part of a routine physical examination, as changes can be important indicators of underlying systemic diseases like anemia or cardiopulmonary conditions.
Observing koilonychia should prompt the nurse to review the patient's complete blood count (CBC), specifically hemoglobin, hematocrit, and iron studies, and to assess for other signs of anemia like pallor, fatigue, and shortness of breath.
What if? - If the patient presented with clubbed nails instead of spoon-shaped nails, the nurse's priority would shift from investigating anemia to assessing for chronic respiratory or cardiovascular disease. This would involve checking oxygen saturation, inquiring about smoking history, and reviewing cardiac history.

How to Approach the Question

This is a factual recall question that tests your knowledge of clinical signs.
First, identify the key term in the question: 'Spoon shaped nails'.
Recall the medical term for this condition, which is koilonychia.
Access your knowledge base about the common causes of specific nail deformities.
Associate koilonychia directly with iron deficiency anemia.
Evaluate the other options. Recognize that COPD, Asthma, and CHD are linked to chronic low oxygen levels (hypoxia), which cause nail clubbing, a different nail abnormality.

Concept Tested & Keywords

QET3hNvxvwQge0NSETFfcv

E6 Nelson Textbook of Pediatrics(2024) — Volume 2 p. 1953-1955

E6 Medicine Davidson Principles Practice 24e p. 1281-1283

E6 Medicine Harrison 22e Part 1 p. 91-93

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