A nurse is assessing a prenatal client with heart disease. The nurse carefully assesses the client's vital signs, weight and fluid and nutritional status to detect for complications caused by?

Appeared in: DHS Staff Nurse - 2018 (Shift-2nd)

Explanation

During a normal pregnancy, the total blood volume increases by 30-50% to meet the metabolic demands of the mother and support the developing fetus.
For a client with pre-existing heart disease, this significant increase in circulating volume places an immense workload on an already compromised heart.
The heart may be unable to effectively pump the extra fluid, leading to complications like fluid overload, pulmonary congestion, and congestive heart failure.
Therefore, careful monitoring of vital signs (for tachycardia, tachypnea), weight (for sudden gain), and fluid status (for edema) is essential for the early detection of cardiac decompensation.

Option A: This is an immunological issue where maternal antibodies attack fetal red blood cells. It is not directly related to the mother's fluid volume status or the specific assessments mentioned.
Option B: This refers to an enlarged heart in the fetus, which is a fetal condition. The nursing assessments described (maternal vital signs, weight, fluid status) are focused on the mother's health.
Option D: While some cardiac hypertrophy (enlargement) and increased contractility are normal physiological adaptations to pregnancy, they are the heart's attempt to cope with the increased workload. The primary stressor causing complications is the volume overload itself, not the adaptive response.

Clinical Relevance

Nursing practice connection: Use the key finding related to Pathophysiological basis for monitoring pregnant clients with heart disease to guide bedside assessment, documentation, and the next nursing action.
Nurses play a critical role in the early detection of cardiac decompensation in pregnant clients with heart disease by meticulously monitoring for subtle changes in weight, edema, and respiratory status.
Patient education is vital. The nurse must teach the client to recognize and immediately report warning signs like sudden weight gain (greater than 1 kg/day), shortness of breath at rest, a persistent cough, or swelling in the hands and face.
The risk of decompensation is highest between 28-32 weeks of gestation when blood volume peaks, and again in the immediate postpartum period (first 24-48 hours) due to rapid fluid shifts.

How to Approach the Question

First, identify the core elements of the clinical scenario: a high-risk prenatal client (pre-existing heart disease).
Next, analyze the nursing action described: assessing vital signs, weight, and fluid status. Recognize that these are all key indicators of fluid balance and cardiac workload.
Consider the normal pathophysiology of pregnancy. What is the most significant cardiovascular change that would stress a compromised heart? A massive increase in blood volume.
Evaluate the options by linking the nursing assessment to the most direct underlying cause. The assessment is designed to detect fluid overload, which is caused by the increased circulating volume overwhelming the heart.
Eliminate options that are irrelevant to the specific maternal assessment being performed (e.g., Rh incompatibility, fetal conditions) or are normal adaptations rather than the primary cause of complications (e.g., hypertrophy).

Concept Tested & Keywords

Concept Tested: Pathophysiological basis for monitoring pregnant clients with heart disease.
Stem keywords: prenatal client, heart disease, assessing, vital signs, weight, fluid status, complications
Lead-in keywords: caused by
Clinical cues: The client has a pre-existing condition (heart disease) which makes normal physiological changes of pregnancy (increased blood volume) a high-risk situation.
Negative lead-in flag: false

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E6 Obstetrics Williams p. 30-51

Practise the full DHS Staff Nurse - 2018 (Shift-2nd)

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