A nurse is providing care and education to a client after an acute myocardial infarction. Which of the following statements should the nurse make regarding cardiac enzyme studies?

"Cardiac enzymes assist in diagnosing the presence of pulmonary congestion."

"These tests will enable the provider to determine the heart structure and mobility of the heart valves."

"These tests help determine the degree of damage to the heart tissues."

"Cardiac enzymes will identify the location of the MI."

Answer and Explanation

The Correct Answer is C

A. Cardiac enzymes do not diagnose pulmonary congestion. Pulmonary congestion is typically assessed using imaging, such as a chest X-ray or echocardiography.
B. Cardiac enzyme tests do not assess heart structure or valve mobility. An echocardiogram or cardiac MRI is used for that purpose.
C. Cardiac enzymes, such as troponins and creatine kinase-MB (CK-MB), indicate the extent of myocardial damage and are essential for diagnosing and managing acute myocardial infarction.
D. Cardiac enzymes confirm myocardial injury but do not pinpoint the exact location of the infarction. The location is determined using ECG findings and imaging studies.

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Correct Answer is A

Explanation

A. Digoxin is a positive inotropic agent, meaning it increases the force of cardiac contractions. This helps improve cardiac output in patients with heart failure.
B. Digoxin does not decrease the force of contractions; instead, it strengthens them, making it beneficial for heart failure treatment.
C. Digoxin is commonly used in heart failure management, particularly in cases of systolic dysfunction or atrial fibrillation.
D. Digoxin decreases heart rate by slowing conduction through the atrioventricular (AV) node, making it useful in atrial fibrillation, but its primary benefit in heart failure is increasing contractility.

A. Assess for acute pain B. Monitor fluid volume excess C. Prevention of falls D. Monitor heart rate and rhythm E. Assess for neurologic changes

Correct Answer is ["C","D","E"]

Explanation

A. Assessing for acute pain is unnecessary. Sinus bradycardia is not typically associated with acute pain unless another condition, such as myocardial infarction, is present.
B. Monitoring fluid volume excess is incorrect. Sinus bradycardia is not directly related to fluid overload; however, fluid status may need to be monitored in clients with underlying cardiac conditions.
C. Prevention of falls is correct. Bradycardia can lead to dizziness, hypotension, and syncope, increasing the risk of falls.
D. Monitoring heart rate and rhythm is correct. Continuous monitoring is essential to detect any worsening bradycardia or associated arrhythmias.
E. Assessing for neurologic changes is correct. Bradycardia can reduce cerebral perfusion, leading to symptoms such as confusion, dizziness, or syncope.

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A nurse is providing care and education to a client after an acute myocardial infarction. Which of the following statements should the nurse make regarding cardiac enzyme studies?

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a client with heart failure (HF) and preparing to give a daily dose of Digoxin (Lanoxin). The nurse understands the rationale for giving this medication for HF is which of the following?

Correct Answer is A

Explanation

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Correct Answer is ["C","D","E"]

Explanation

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Identify the following Cardiac Rhythm:

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