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Chapter 25 – Antidysrhythmic Drugs | NCLEX-Style Pharmacology Questions with Answers & Rationales | A-Graded Nursing Exam Resource
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during phase 3
Rationale: Amiodarone can cause hepatotoxicity and requires regular monitoring of liver enzymes.
Rationale: Adenosine is the drug of choice for SVT due to its rapid action and extremely short half-life (less than 10 seconds).
Rationale: Lidocaine is contraindicated in patients with certain types of heart block unless a pacemaker is in place.
Rationale: Class III drugs, like amiodarone, prolong repolarization by blocking potassium channels, helping to stabilize abnormal rhythms.
A. Constipation B. Rash C. Widened QRS complex on ECG D. Dry mouth
Rationale: A widened QRS complex may indicate toxicity or excessive effect and requires prompt evaluation.
Rationale: Sotalol is a beta-blocker that can cause bradycardia; patients should monitor heart rate and report abnormalities.
rate atrial fibrillation or flutter and PSVT.
dysrhythmias! Hypersensitivity reactions Nausea Vomiting Diarrhea Dizziness Blurred vision Headache