Fluid overload in a patient may cause except ?

Appeared in: JIPMER Nursing Officer-2017

Explanation

Fluid overload, or hypervolemia, is the retention of excess water and sodium, which increases the body's total fluid volume.
A primary and measurable sign of this fluid retention is weight gain. Each liter of retained fluid adds approximately 1 kg (2.2 lbs) to the body weight.
Therefore, weight loss is the direct opposite of what occurs in fluid overload, making it the correct exception in this question.

Option A: This is incorrect because angioedema is a rapid, localized swelling typically caused by allergic reactions or certain medications, not by the systemic volume increase seen in fluid overload.
Option B: This is incorrect as it is a hallmark sign of fluid overload. The excess fluid accumulates in dependent areas like the legs and ankles due to increased hydrostatic pressure.
Option C: This is incorrect as it is a life-threatening complication of severe fluid overload, where fluid fills the alveoli in the lungs, impairing gas exchange.

Clinical Relevance

Nursing practice connection: Use the key finding related to Signs and symptoms of fluid overload (hypervolemia) to guide bedside assessment, documentation, and the next nursing action.
Accurate daily weights are the most sensitive indicator of fluid balance changes. A nurse must weigh the patient at the same time each day, with the same scale and similar clothing, to detect fluid overload early.
What if the patient has a history of kidney failure? Patients with renal impairment cannot excrete excess fluid effectively, placing them at a very high risk for fluid overload and its complications. Nursing care would involve strict fluid restriction and meticulous monitoring of intake, output, and weight.

How to Approach the Question

First, identify the keywords in the question: 'Fluid overload' and 'except'.
The word 'except' signals that you must find the option that is NOT a sign or symptom of fluid overload.
Evaluate each option by asking: 'Does fluid overload cause this?'
Peripheral edema and pulmonary edema are classic signs and complications of fluid overload.
Fluid overload involves retaining fluid, which causes weight gain, not weight loss.
Therefore, weight loss is the only option that is definitively not caused by fluid overload; it is the opposite of what occurs.

Concept Tested & Keywords

Concept Tested: Signs and symptoms of fluid overload (hypervolemia)
Stem keywords: Fluid overload, cause
Lead-in keywords: except
Negative lead-in flag: The question asks for the exception among the given options.

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E6 Nursing Fundamentals Taylor p. 777-779

E6 Medicine Harrison 22e Part 1 p. 322-324

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