A case report describing the presentation and initial management of a hemodynamically unstable RVOT VT.
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Warrants caution in unstable RVOT VT; leaves open efficacy of overdrive pacing versus defibrillation.
A 60 year old man presented with recurrent near syncope preceded by fast palpitation for six months. Investigations showed normal left and right ventricles. Programmed electrical stimulation (PES) was able to induce clinical arrhythmia of cycle length 250 ms with left bundle branch block pattern and inferior axis, suggesting right ventricular outflow tract (RVOT) ventricular tachycardia (VT). Blood pressure dropped to 60/40 mm Hg during tachycardia with notable dizziness. Overdrive pacing was successful in terminating the arrhythmia. The clinical arrhythmia was …
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John J. Fung (2002) studied this question.
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