A nurse is caring for a client with a possible acute myocardial infarction (AMI). The electrocardiogram (ECG) shows no ST segment elevations or depression. The nurse is aware that an elevation of which lab result will determine if there has been cardiac injury?

Elevated Troponins

Elevated Creatine kinase (CK)

Elevated Hemoglobin

Elevated B-type Natriuretic

Answer and Explanation

The Correct Answer is A

Rationale:

A. Elevated Troponins indicate myocardial injury or infarction.

B. Elevated Creatine kinase (CK) is an enzyme found in skeletal muscle, brain, and myocardium. Elevated levels can indicate muscle damage.

C. Elevated Hemoglobin is not specific to cardiac injury.

D. Elevated B-type Natriuretic peptide (BNP) is used in the diagnosis and management of heart failure.

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Correct Answer is B

Explanation

Rationale:

A. Anorexia is a common symptom of infective endocarditis but is not typically the priority assessment finding.

B. Fever is a hallmark sign of infective endocarditis and should be monitored closely.

C. Dyspnea is a common symptom of infective endocarditis but is not typically the priority assessment finding.

D. Malaise is a common symptom of infective endocarditis but is not typically the priority assessment finding.

A. NSTEMI B. Stable Angina C. STEMI D. Unstable Angina

Correct Answer is C

Explanation

Rationale:

A. This is wrong because the ECG leads show ST segment elevation.

B. Stable angina may present with ST segment depression in an ECG unlike in the strip shown above which depicts an ST segment elevation.

C. This is correct because of the ST segment elevation.

D. Unstable angina may have hyperacute T wave, flattening of the T waves, inverted T waves or an ST depression unlike in the above ECG strip.

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A nurse is caring for a client with a possible acute myocardial infarction (AMI). The electrocardiogram (ECG) shows no ST segment elevations or depression. The nurse is aware that an elevation of which lab result will determine if there has been cardiac injury?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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