A nurse is collecting data from a client who is receiving continuous cardiac monitoring that is indicating premature ventricular contractions (PVCs). Which of the following findings should the nurse expect when assessing the client?
S3 heart sounds
Irregular pulsations
Bradycardia
Increase in point of maximum impulse (PMI)
The Correct Answer is B
A) S3 heart sounds:
S3 heart sounds are typically associated with heart failure and are not directly related to premature ventricular contractions (PVCs). S3 heart sounds occur during the early diastolic phase and are heard immediately after S2.
B) Irregular pulsations:
This is the correct choice. Premature ventricular contractions (PVCs) can cause irregular pulsations in the pulse. PVCs are premature contractions originating from the ventricles, which can interrupt the normal rhythm of the heart and lead to irregularities in the pulse.
C) Bradycardia:
Premature ventricular contractions (PVCs) can lead to various rhythm disturbances, but bradycardia (slow heart rate) is not typically associated with PVCs. In fact, PVCs often occur in the context of tachycardia (rapid heart rate).
D) Increase in point of maximum impulse (PMI):
An increase in the point of maximum impulse (PMI) is not typically associated with premature ventricular contractions (PVCs). The PMI refers to the location where the apex of the heart is palpated during systole and is not directly affected by PVCs.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A) Atropine:
Atropine is a medication used to increase heart rate. It acts by blocking the parasympathetic nervous system, leading to increased heart rate. It is commonly used to treat bradycardia, which is characterized by a heart rate less than 60 beats per minute. In this scenario, with the client's apical heart rate at 49/min, indicating bradycardia, the nurse should prepare to administer atropine to increase the heart rate.
B) Verapamil:
Verapamil is a calcium channel blocker that can decrease heart rate. It is used to treat various cardiac conditions, but it is not appropriate for a client with bradycardia, as it would further lower the heart rate.
C) Digoxin:
Digoxin is a medication used to treat heart failure and certain arrhythmias, but it does not directly increase heart rate. In fact, it can exacerbate bradycardia in some cases.
D) Carvedilol:
Carvedilol is a beta-blocker that can decrease heart rate. It is used to treat hypertension, heart failure, and other cardiovascular conditions, but it is not appropriate for a client with bradycardia, as it would further lower the heart rate.
Correct Answer is B
Explanation
(A) Evaluating the collected data: This step involves analyzing the data that has been collected during the research process. However, in this scenario, the nurse is in the process of researching data, which suggests that the data collection phase is still ongoing.
(B) Searching for credible sources: This is the most appropriate answer. The nurse is in the process of researching data about best practices for reducing medication errors. This indicates that the nurse is currently searching for credible sources of information, which is a crucial step in the EBP process.
(C) Implementing recommendations: This step involves applying the findings from the research to practice. However, in this scenario, the nurse is still in the research phase, so implementation has not yet occurred.
(D) Identifying a problem: While identifying a problem is an important step in the EBP process, in this scenario, the problem (medication errors on a surgical unit) has already been identified. The nurse is now in the process of researching data, which suggests that the problem identification step has already been completed.
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