Which of the following is the most appropriate initial management? A. Oral amiodarone B. Carotid sinus massage C. Intravenous adenosine D. Electrical cardioversion
Understand the Problem
The question presents a medical scenario involving a 20-year-old woman experiencing palpitations, along with specific vital signs and lab results. It asks for the most appropriate initial management option from a list of choices, indicating a need for knowledge in emergency medicine or clinical decision-making.
Answer
B. Carotid sinus massage
The most appropriate initial management is B. Carotid sinus massage.
Answer for screen readers
The most appropriate initial management is B. Carotid sinus massage.
More Information
Carotid sinus massage is a vagal maneuver that increases parasympathetic tone to the heart, often effective in terminating PSVT by slowing down conduction through the AV node.
Tips
A common mistake is to initially choose medications like adenosine or amiodarone without attempting non-invasive vagal maneuvers first.
Sources
- Part 7.3: Management of Symptomatic Bradycardia and Tachycardia - ahajournals.org
- Current Trends in Supraventricular Tachycardia Management - PMC - pmc.ncbi.nlm.nih.gov
- Question 21 of 32 - AccessMedicine - accessmedicine.mhmedical.com
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