Dorantes SM, Borroto GE, Castro HJA, Martínez LF, Castañeda CO, Falcón RR, de la Vega VK

Language: Spanish
References: 15
Page: 193-198
PDF size: 798.09 Kb.

ABSTRACT

The coexistence of ventricular preexcitation and Brugada syndromes is very rare, no relationship has been established between them and so far they are considered separate diseases. Both are arrhythmogenic, can cause sudden death and their treatment is difficult; since some drugs used to prevent tachycardia can cause a Brugada sign. We present two patients with common characteristics: absence of structural heart disease demonstrable by conventional methods, frequent and symptomatic orthodromic tachycardias, ventricular pre-excitation and Brugada sign (both evident and intermittent), without clinical malignant ventricular ar-rhythmias; which is why programmed electrical stimulation was not performed to try to provoke them. Some singularities are discussed, such as the association of intranodal and orthodromic reentrant tachycardias in the patient in whom acces-sory pathway ablation was performed, and the difficulty of the therapeutic ap-proach in the patient who did not agree to undergo the procedure.

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