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
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. A sinus tachycardia is characterized by a sinus P wave at a rate of more than 100 per minute followed by a narrow QRS complex unlike in the strip depicted above.
B. The above ECG strip shows a ventricular tachycardia based on the wide QRS with a rate more than 120 bpm, AV dissociation and the fusion beats.
C. A complete heart block is characterized by QRS complexes being conducted at their own rates and totally independent of the P wave.
D. An idioventricular rhythm is characterized by a slow regular ventricular rhythm with a rate less than 50 bpm unlike in the above strip. It also has a prolonged QRS interval with no P wave.
Correct Answer is ["A","B","C","E","F"]
Explanation
Rationale:
A. Unable to lie flat due to orthopnea is a sign of worsening heart failure.
B. Feeling fatigued is a general symptom of heart failure but can worsen as heart failure progresses.
C. Distended neck veins indicate increased central venous pressure, which is a sign of worsening right-sided heart failure.
D. Increased appetite is not typically associated with worsening heart failure.
E. Weight gain of 2 pounds in 24 hours indicates fluid retention and worsening heart failure.
F. Worsening lower extremity edema is a sign of worsening heart failure.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.
