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General Medicine · Cardiology: vasovagal syncope
Sample itemA 20-year-old faints after standing for a long time in a hot crowded room, with prior nausea and sweating, and recovers quickly. ECG and examination are normal. What is the best initial advice?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Reassurance, avoiding triggers, adequate fluids and salt, and counterpressure manoeuvres
Typical triggers and prodromal symptoms with normal examination and ECG indicate reflex (vasovagal) syncope, which has a benign prognosis. Management is education, hydration, recognising the prodrome and physical counterpressure manoeuvres such as leg crossing. Devices are reserved for selected cases with documented asystole.
Option by option
A. Implantable cardioverter-defibrillator
An ICD is for ventricular arrhythmia risk, which is not suggested.
B. Electrophysiological study
An EP study is not required for a classic vasovagal faint.
C. Reassurance, avoiding triggers, adequate fluids and salt, and counterpressure manoeuvres (correct)
Correct. Reassurance and trigger avoidance are first-line.
D. Permanent pacemaker implantation
Pacemaker therapy is for documented cardioinhibitory syncope refractory to other measures.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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