A nurse is reviewing laboratory data on a client who is recovering from surgery.
Drag 1 condition and 1 client finding to fill in each blank in the following sentence.
The client is at risk for developing due to
The Correct Answer is {"dropdown-group-1":"E","dropdown-group-2":"C"}
Potassium Levels: The postoperative potassium level for the client is 3.0 mEq/L, which falls below the normal range of 3.5 to 5 mEq/L. Potassium is a critical electrolyte necessary for the proper functioning of cardiac muscles. It plays a pivotal role in maintaining the electrical conductivity of the heart. Hypokalemia, or low potassium levels, can disrupt this electrical conductivity, leading to abnormal heart rhythms or arrhythmias. Arrhythmias can manifest as palpitations, irregular heartbeats, or more severe cardiac events, which can be life-threatening if not addressed promptly.
Importance of Potassium in Cardiac Function: Potassium is essential for the repolarization phase of the cardiac action potential. It helps in the return of the cell to its resting state after each heartbeat. A deficiency in potassium disrupts this balance, increasing the risk of erratic heartbeats and arrhythmias. Low potassium can prolong the QT interval on an electrocardiogram (ECG), which is a marker for potential arrhythmic events.
Clinical Implications: For a postoperative client, maintaining electrolyte balance is crucial. Surgery and anesthesia can affect fluid and electrolyte levels, making it essential to monitor and correct any imbalances. The decrease in potassium levels from 3.5 mEq/L preoperatively to 3.0 mEq/L postoperatively highlights a trend that must be addressed to prevent complications such as arrhythmias.
Preventative Measures: To mitigate the risk of arrhythmias, the healthcare team should consider interventions to correct the hypokalemia. This may include administering potassium supplements orally or intravenously, depending on the severity and clinical context. Continuous cardiac monitoring may also be warranted to detect and manage any emerging arrhythmic events promptly.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Light-headedness when standing up:
Elevated potassium levels (hyperkalemia) can lead to muscle weakness or paralysis, cardiac dysrhythmias, and even cardiac arrest. Light-headedness when standing up is more commonly associated with orthostatic hypotension or volume depletion rather than electrolyte imbalances like hyperkalemia.
B. Weak quadriceps muscles:
Weakness in the quadriceps muscles is not typically associated with the electrolyte imbalances presented in the scenario. Hyperkalemia can cause muscle weakness, but it is not specific to the quadriceps.
C. Decreased deep tendon reflexes:
Decreased deep tendon reflexes are not typically associated with the electrolyte imbalances presented in the scenario. Hyperkalemia can lead to hyperreflexia or absent reflexes, but it is not specific to decreased deep tendon reflexes.
D. Tingling of extremities:
This is the correct answer. Hypocalcemia, indicated by the low calcium level in the scenario, can manifest with symptoms such as tingling or numbness of the extremities, muscle cramps, and tetany. Calcium plays a crucial role in nerve transmission, and low levels can lead to sensory disturbances like tingling in the extremities.
Correct Answer is {"dropdown-group-1":"D","dropdown-group-2":"D"}
Explanation
The rationale for identifying the client as at risk for hypoxia is based on the respiratory assessment findings. Diminished lung sounds in the posterior lobes suggest reduced air movement or potential complications such as atelectasis or pneumonia, which can impair gas exchange. Additionally, the decreased oxygen saturation of 84% on room air indicates inadequate oxygenation of the blood. Hypoxia occurs when there is insufficient oxygen supply to tissues, which can lead to serious complications if not addressed promptly. Therefore, recognizing these respiratory assessment findings is crucial for identifying the risk of hypoxia in the client.
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