MRI-guided ablation of wide complex tachycardia in a univent
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Case Report:
A 17-year-old boy with wide complex tachycardia (heart rate approximately 230 bpm), presented to our emergency room with dizziness and angina (Figure ?(Figure1A).1A). The tachycardia had been present for more than 3 h at the time of presentation. The patient maintained hemodynamic stability. Acute treatment included administration of adenosine, which had no effect on the tachycardia. Administration of ajmaline successfully terminated the tachycardia. The lack of an effect of adenosine led to the conclusion that supraventricular tachycardia (atrioventricular node reentry or accessory pathway) was very unlikely. The acute treatment was followed up by an invasive electrophysiological (EP) study during the patient’s stay at our hospital....

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3432884/
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