Practice Question
A client converts from normal sinus rhythm at 80 bpm to atrial fibrillation with a ventricular response at 165 bpm. Blood pressure is 162/74 mm Hg. Respiratory rate is 20 breaths per minute with normal chest expansion and clear lungs bilaterally. IV heparin and Diltiazem are given. What is the main goal of treatment?
Answer Choices:
Correct Answer:
Control ventricular heart rate
Rationale:
💎 In atrial fibrillation with rapid ventricular response (RVR), the primary risk is decreased cardiac output due to inadequate ventricular filling time.
💎 Initial management focuses on slowing the ventricular rate to allow better diastolic filling and improve perfusion.
💎 Diltiazem is a calcium channel blocker that slows AV node conduction, effectively controlling the ventricular rate.
💎 Once the rate is controlled, anticoagulation (heparin) is important to prevent thromboembolic events, but it is secondary in this acute moment.
💎 Rapid heart rates increase myocardial oxygen demand, so controlling the rate reduces ischemic risk.
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This question is from Medical-surgical Nursing 2 (NURSA 225 OIC- UNIVERSITY OF CHARLETON) which contains 42 questions.
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From Exam
Medical-surgical Nursing 2 (NURSA 225 OIC- UNIVERSITY OF CHARLETON)
42 Questions
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- Category: RN Nursing Exam(s)
- Subcategory: General Exams
- Domain: Medical-surgical📚
- Answer Choices: 4