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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Rationale:
A. This is not correct since a sinus tachycardia show have a sinus P wave unlike in the strip.
B. This is incorrect since a junctional rhythm should have a regular ventricular rhythm unlike in the above strip which is irregular.
C. A first degree heart block should have a PR interval greater than 0.20 without a disruption in the atrial to ventricular conduction.
D. This is correct since the rhythm is irregular and the P waves are absent.
Correct Answer is ["A","C","D"]
Explanation
Rationale:
A. Preventing vagal stimulation can help prevent bradycardia.
B. Acute pain is not typically associated with sinus bradycardia.
C. Preventing falls is important because bradycardia can lead to dizziness and falls.
D. Assessing for neurologic changes is important because bradycardia can affect cerebral perfusion.
E. Monitoring fluid volume excess is not directly related to sinus bradycardia.
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.