A nurse is providing care for a client following a cardiac arrest due to pulseless electrical activity (PEA). Which of the following alterations are causes of PEA? (Select All that Apply.)

Hypertension

Hypovolemia

Hypoxia

Hyperkalemia

Hypernatremia

Hyperthermia

Answer and Explanation

Correct Answer : B,C,D

Pulseless electrical activity (PEA) refers to a situation in which an electrocardiogram (ECG) shows electrical activity in the heart, but there is no effective mechanical activity and no palpable pulse. PEA can result from various underlying conditions that impair cardiac function or compromise circulation.

A. Hypertension: Hypertension, or high blood pressure, is not typically a direct cause of PEA. While uncontrolled hypertension can contribute to cardiovascular disease and increase the risk of cardiac events such as myocardial infarction, it is not a direct cause of PEA.

B. Hypovolemia: Hypovolemia, or low blood volume, is a common cause of PEA. Reduced circulating blood volume leads to decreased preload and inadequate filling of the heart chambers, impairing cardiac output. This can result in ineffective cardiac contractions and the development of PEA.

C. Hypoxia: Hypoxia, or inadequate oxygenation of tissues, is a significant cause of PEA. Insufficient oxygen delivery to the myocardium impairs cardiac function and can lead to ineffective cardiac contractions. Without adequate oxygenation, the heart is unable to generate sufficient mechanical force to maintain circulation, resulting in PEA.

D. Hyperkalemia: Hyperkalemia, or elevated levels of potassium in the blood, can cause PEA by disrupting cardiac electrical activity. Excessive potassium ions in the extracellular fluid alter the normal myocardial action potential, leading to cardiac conduction abnormalities and potential arrhythmias, including PEA.

E. Hypernatremia: Hypernatremia, or elevated levels of sodium in the blood, is not typically a direct cause of PEA. While severe hypernatremia can lead to neurological symptoms and dehydration, it does not directly impair cardiac electrical activity or mechanical function to the extent that it causes PEA.

F. Hyperthermia: Hyperthermia, or elevated body temperature, is not typically a direct cause of PEA. While extreme hyperthermia can lead to cardiovascular complications such as heat stroke, it is not a common cause of PEA unless it is associated with severe systemic metabolic derangements.

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Correct Answer is C

Explanation

A. People who abstain from alcohol: Abstaining from alcohol does not necessarily increase the risk of sustaining a traumatic brain injury (TBI). In fact, excessive alcohol consumption can increase the risk of falls and accidents leading to TBIs, but abstaining from alcohol itself is not a risk factor for TBI.

B. People who live in rural areas: Living in rural areas may be associated with certain risk factors for TBIs, such as increased rates of motor vehicle accidents due to factors like higher speed limits and longer distances traveled. However, it is not a direct cause of TBIs.

C. People who play contact sports: Engaging in contact sports, such as football, soccer, or rugby, poses a higher risk of sustaining a traumatic brain injury due to the potential for collisions, falls, and impacts during gameplay.

D. People who are in their 30's: While traumatic brain injuries can occur at any age, individuals who are involved in activities with a higher risk of head injuries, such as contact sports or high-risk occupations, may be more prone to TBIs regardless of their age. Age alone is not a significant risk factor for TBIs.

A. Leave the client alone while ensuring safety, to allow the client to work through behaviors and feelings during the transition period. B. Provide opportunities for education and continually evaluate the client's preferences and goals for care. C. Limit the members of the team who can help the client while transitioning, to avoid adding confusion or uneasiness. D. Inform the client about the need to move prior to the actual event.

Correct Answer is B

Explanation

B. Provide opportunities for education and continually evaluate the client's preferences and goals for care:
This is the most effective intervention. Providing education and involving the client (to the extent possible) in decision-making helps reduce anxiety and build trust. Even though individuals with Alzheimer's disease may have limited memory and cognitive abilities, ongoing communication about the transition and individualized care plans can help ease the process. Additionally, continuously evaluating the client's preferences and goals ensures that the care plan remains person-centered and aligns with their needs, helping to minimize relocation stress.

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A nurse is providing care for a client following a cardiac arrest due to pulseless electrical activity (PEA). Which of the following alterations are causes of PEA? (Select All that Apply.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Explanation

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