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)
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.
Questions
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is D
Explanation
A) This choice is incorrect because a body mass index (BMI) of 22 kg/m² is within the normal range and is not directly associated with the development of congestive heart failure in this scenario.
B) This choice is incorrect because a blood pressure of 120/80 mmHg is within the normal range and does not indicate a direct precipitating factor for congestive heart failure in this case.
C) This choice is incorrect because a fasting blood glucose level of 90 mg/dL is within the normal range and is not directly associated with the development of congestive heart failure in this scenario.
D) This choice is correct. A serum cholesterol level of 240 mg/dL indicates high cholesterol, which is a risk factor for coronary artery disease. Coronary artery disease is a leading cause of congestive heart failure and may have contributed to the client's condition.
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