A nurse is reviewing the lab results and electrocardiogram (ECG) of a patient with End Stage Renal Disease (ESRD). The nurse correlates which ECG finding to a potassium level of 6.8?

Prolonged PR interval

Presence of a U wave

Peaked T waves

Elevated ST segment

Answer and Explanation

The Correct Answer is C

A. A prolonged PR interval can be seen in hyperkalemia but is not as characteristic as peaked T waves.
B. A U wave is typically seen in hypokalemia, not hyperkalemia.
C. Peaked T waves are a hallmark ECG finding in hyperkalemia and occur due to increased repolarization speed.
D. ST segment elevation is more commonly associated with myocardial infarction rather than hyperkalemia.

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Correct Answer is C

Explanation

A. An echocardiogram does not assess coronary artery blockages; a coronary angiogram or cardiac catheterization is used for that.
B. Fasting is not required for a standard transthoracic echocardiogram. However, fasting may be needed for a transesophageal echocardiogram (TEE).
C. An echocardiogram is a non-invasive ultrasound test that evaluates heart structure, valve function, and cardiac muscle performance.
D. There is no discomfort during a transthoracic echocardiogram, as it is performed externally using a probe on the chest.

A. Hyperkalemia B. Hypoglycemia C. Seizures D. Cardiac dysrhythmias

Correct Answer is D

Explanation

A. Hyperkalemia is not a typical complication of thiazide diuretics. Instead, they promote potassium loss, increasing the risk of hypokalemia.
B. Hypoglycemia is not directly associated with thiazide diuretics. These medications may affect glucose tolerance but do not cause low blood sugar.
C. Seizures are not a common adverse effect of thiazide diuretics. While severe electrolyte imbalances could contribute to neurological symptoms, they are not the primary concern in this scenario.
D. Cardiac dysrhythmias can result from hypokalemia, a common side effect of thiazide diuretics. Potassium is essential for normal cardiac conduction, and low levels can lead to palpitations, weakness, and potentially life-threatening arrhythmias.

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A nurse is reviewing the lab results and electrocardiogram (ECG) of a patient with End Stage Renal Disease (ESRD). The nurse correlates which ECG finding to a potassium level of 6.8?

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who is scheduled for an echocardiogram the following day. Which of the following information should the nurse include about the test?

Correct Answer is C

Explanation

A nurse is caring for a patient with a history of hypertension. The client reports compliance with the prescribed thiazide medication but is complaining of generalized weakness and palpitations. The nurse should monitor the client for which potential complications of diuretics?

Correct Answer is D

Explanation

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