A client with suspected congestive heart failure undergoes an echocardiogram. The nurse should expect which parameter to be measured during the echocardiogram to assess the client's heart function?

Serum electrolyte levels

Blood pressure readings

Oxygen saturation levels

Ejection fraction (EF)

Answer and Explanation

The Correct Answer is D

A) This choice is incorrect because serum electrolyte levels are not directly measured during an echocardiogram. They are typically assessed through a blood test and are not specific to evaluating heart function using ultrasound.

B) This choice is incorrect because blood pressure readings are not directly measured during an echocardiogram. Blood pressure is typically assessed using a sphygmomanometer and is not specific to evaluating heart function using ultrasound.

C) This choice is incorrect because oxygen saturation levels are not directly measured during an echocardiogram. Oxygen saturation is typically assessed using a pulse oximeter and is not specific to evaluating heart function using ultrasound.

D) This choice is correct. Ejection fraction (EF) is a parameter measured during an echocardiogram to assess the client's heart function. It represents the percentage of blood pumped out of the heart's left ventricle with each heartbeat and is an essential indicator of heart muscle efficiency and potential heart failure.

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Correct Answer is C

Explanation

A) This choice is incorrect because an electrocardiogram (ECG) is a valuable diagnostic tool for assessing the heart's electrical activity and rhythm, but it is not the gold standard for diagnosing CHF. It can provide information about possible cardiac hypertrophy or rhythm disturbances associated with heart failure.

B) This choice is incorrect because a chest X-ray is helpful in evaluating heart size and the presence of pulmonary congestion, but it is not the gold standard for diagnosing CHF.

C) This choice is correct. An echocardiogram is the gold standard for diagnosing CHF. It uses ultrasound waves to assess the heart's structure and function, including ejection fraction and valve function, providing critical information to confirm the diagnosis of heart failure.

D) This choice is incorrect because a brain natriuretic peptide (BNP) level is a blood test that can aid in the diagnosis of CHF. Elevated BNP levels indicate heart strain, but it is not the gold standard for diagnosing CHF.

A. Hypertension B. Diabetes mellitus C. Smoking history D. Family history of heart disease

Correct Answer is A

Explanation

A) This choice is correct. Hypertension (high blood pressure) is a significant risk factor for congestive heart failure (CHF). Prolonged hypertension can lead to the heart's increased workload, causing it to weaken over time and eventually leading to CHF. The client's symptoms of fatigue, difficulty breathing, and nocturia (frequent urination at night) are common manifestations of CHF resulting from uncontrolled hypertension.

B) This choice is incorrect because diabetes mellitus, while a risk factor for cardiovascular disease, is not directly associated with the symptoms described by the client. However, diabetes can exacerbate CHF if the client's blood glucose levels are not well-controlled.

C) This choice is incorrect because smoking history is a risk factor for various cardiovascular diseases, but it is not specifically linked to the symptoms reported by the client in this case.

D) This choice is incorrect because a family history of heart disease may increase the client's risk of developing CHF, but it does not directly contribute to the current symptoms the client is experiencing.

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A client with suspected congestive heart failure undergoes an echocardiogram. The nurse should expect which parameter to be measured during the echocardiogram to assess the client's heart function?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is reviewing the diagnostic tests for a client suspected of having congestive heart failure. Which test is considered the gold standard for diagnosing CHF?

Correct Answer is C

Explanation

A client with a history of hypertension and diabetes mellitus presents to the clinic with complaints of fatigue, difficulty breathing, and frequent urination at night. Which risk factor is most likely contributing to the client's symptoms?

Correct Answer is A

Explanation

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