Important nursing intervention while caring for a client with hyponatremia includes

UPPSC 2017

Medical & Surgical Nursing

Medium

Appeared in: UPPSC 2017

Explanation

Hyponatremia is a serum sodium level below 135 mEq/L, often caused by an excess of water relative to sodium, which is known as dilutional hyponatremia.
Fluid restriction is the primary and safest initial intervention for euvolemic (e.g., SIADH) and hypervolemic (e.g., heart failure, cirrhosis) hyponatremia, which are common causes of low sodium.
Restricting fluid intake allows the kidneys to excrete excess free water, which helps to gradually increase the serum sodium concentration and correct the imbalance without causing fluid overload.

Option B: This intervention would worsen fluid overload and further dilute serum sodium in patients with euvolemic or hypervolemic hyponatremia.
Option C: Potassium is administered to correct hypokalemia (low potassium levels), not hyponatremia (low sodium levels). The two are distinct electrolyte imbalances.
Option D: Nasogastric (NG) feeding is a method for providing nutrition and hydration, not a specific or primary treatment for correcting an electrolyte imbalance like hyponatremia.

Clinical Relevance

Nursing practice connection: Use the key finding related to Nursing Management of Hyponatremia to guide bedside assessment, documentation, and the next nursing action.
A nurse's first step in managing hyponatremia is to assess the patient's volume status (e.g., checking for edema, orthostatic hypotension, mucous membrane moisture) as this determines the correct treatment and prevents iatrogenic harm.
Rapid correction of chronic hyponatremia can cause osmotic demyelination syndrome, a severe and often irreversible neurological condition. Therefore, nurses must monitor sodium levels closely and ensure correction rates do not exceed 8-12 mEq/L in 24 hours.
What if? If the patient with hyponatremia presented with tachycardia, hypotension, and poor skin turgor, the priority intervention would change from fluid restriction to administering isotonic saline to correct the underlying hypovolemia.

How to Approach the Question

First, identify the core clinical problem from the stem: the need for an important nursing intervention for 'hyponatremia'.
Recall that hyponatremia is a lab value (low sodium), but its treatment depends entirely on the underlying cause, specifically the patient's fluid volume status.
Analyze the options in this context: 'Fluid restriction' addresses water excess. 'Isotonic saline' addresses volume loss. 'Potassium' addresses a different electrolyte. 'NG feed' addresses nutrition.
Consider the safest general action. Since giving saline to a patient with water excess (a very common cause of hyponatremia) can be dangerous, fluid restriction is the most appropriate and safest default intervention when the specific cause is not provided.
Eliminate the clearly incorrect options (potassium, NG feed) and differentiate between the two plausible fluid interventions to select the best answer for a general case.

Concept Tested & Keywords

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E6 Nursing Brunner Adult Health 3SA Vol 1 Part 1 p. 147-149

E6 Pharmacology Nursing Lilley 11e Part 2 p. 171-173