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 A
Explanation
A) Headache:
Clients with obstructive sleep apnea often experience morning headaches due to the intermittent hypoxia and hypercapnia that occur during episodes of apnea. These headaches are typically described as dull and diffuse and may improve throughout the day.
B) Nausea:
While gastrointestinal symptoms such as nausea can occur in some individuals with sleep apnea, it is not a typical or specific finding associated with this condition. Nausea may result from other causes, such as medication side effects or underlying gastrointestinal issues, rather than directly from obstructive sleep apnea.
C) Hypotension:
Obstructive sleep apnea is more commonly associated with hypertension rather than hypotension. The recurrent episodes of hypoxemia and sympathetic nervous system activation during apneic episodes can lead to systemic hypertension over time.
D) Constipation:
Constipation is not a typical finding associated with obstructive sleep apnea. While sleep apnea may contribute to fatigue and alterations in gastrointestinal motility in some individuals, constipation is not a direct consequence of this sleep disorder.
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