The nurse notes premature ventricular contractions (PVCs) while suctioning a client's endotracheal tube. Which action by the nurse is a priority?

Stop and ventilate the patient with 100% oxygen.

Give antidysrhythmic medications per protocol.

Decrease the suction pressure to 80 mm Hg.

Document the dysrhythmia in the patient's chart.

Answer and Explanation

The Correct Answer is A

A. PVCs during suctioning may indicate hypoxia or irritation; the priority is to stop suctioning and ventilate the patient with 100% oxygen to prevent worsening arrhythmias.
B. Medications may be needed later, but immediate action is oxygenation and stopping suctioning.
C. Adjusting suction pressure is important but secondary to ensuring patient oxygenation.
D. Documentation is necessary but not the priority when PVCs are noted.

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Correct Answer is A

Explanation

A. An echocardiogram is the most helpful noninvasive tool for diagnosing cardiomyopathy. It provides detailed information about chamber size, wall motion, ventricular function, and left ventricular hypertrophy, all of which are essential in evaluating cardiomyopathy.
B. Arterial blood gases (ABGs) assess oxygenation and acid-base balance but do not provide structural or functional cardiac details.
C. Swan-Ganz analysis (pulmonary artery catheter) can measure pressures in the heart but is invasive and typically used for hemodynamic monitoring, not initial diagnosis.
D. Cardiac catheterization can show coronary anatomy and pressures, but it is not the first-line test for evaluating cardiomyopathy unless ischemic disease is suspected.

A. To convert atrial fibrillation to sinus rhythm B. To slow the response of the ventricles to the fast atrial impulses C. To dissolve clots in the bloodstream D. To reduce the risk of stroke in clients who have atrial fibrillation

Correct Answer is D

Explanation

A. Warfarin does not convert atrial fibrillation to sinus rhythm; it is an anticoagulant, not a rhythm control medication.
B. Slowing ventricular response is achieved with rate-control medications like beta blockers or calcium channel blockers, not warfarin.
C. Warfarin prevents clot formation but does not dissolve existing clots.
D. Warfarin reduces the risk of stroke by preventing thrombus formation in clients with atrial fibrillation

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The nurse notes premature ventricular contractions (PVCs) while suctioning a client's endotracheal tube. Which action by the nurse is a priority?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is D

Explanation

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