A nurse is teaching a newly licensed nurse about evaluating cardiac rhythms. Which of the following best explains calculation of the heart rate?
Look for P waves on the strip
Count how many QRS occur in a 6 second strip
Read the monitor or electrocardiogram interpretation.
Measure the T waves
The Correct Answer is B
Rationale:
A. Looking for P waves is important for assessing atrial activity, but it does not directly calculate heart rate.
B. Counting how many QRS complexes occur in a 6-second strip and multiplying by 10 is a quick and accurate way to calculate heart rate.
C. Reading the monitor or ECG interpretation provides information about the rhythm and morphology of the heart, but it does not directly calculate heart rate.
D. Measuring T waves is important for assessing cardiac repolarization, but it does not directly calculate heart rate.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C","D","E","F"]
Explanation
Rationale:
A. Distribution refers to the area of the body where the pain is felt.
B. Onset refers to when the pain started.
C. Intensity refers to the severity of the pain.
D. Location refers to where the pain is felt.
E. Radiation refers to whether the pain spreads to other areas.
F. Alleviated refers to what makes the pain better or worse.
Correct Answer is A
Explanation
Rationale:
A. Encouraging the client to participate in the cardiac rehab program is important for recovery and returning to an active lifestyle.
B. Acknowledging the doctor's expertise is important, but it does not address the client's concerns.
C. This statement may minimize the client's concerns and is not the best response.
D. This statement is not specific and may not address the client's concerns.
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