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- Title
Dos taquicardias y una larga espera para su solución.
- Authors
de la Vega Valcárcel, Katherine; Dorantes Sánchez, Margarita; Fernández del Valle, Lisbeth; de la Vega González, Roberto; Castaṅeda Chirino, Osmín; Martínez López, Frank; Falcón Rodríguez, Roylán
- Abstract
We present a 44-year-old female patient with two types of tachycardia QRS complexes), symptomatic, with different pathophysiological mechanisms. The narrow one, incessant, with RP greater than the PR, as well as negative P wave in II, III and aVF leads; which began at an early age and had three possible diagnoses: accessory pathway with decremental conduction, inverted atrioventricular nodal reentrant tachycardia, or atrial tachycardia. The latter was demonstrated by electrical stimulation. She presented a single episode of wide QRS complex tachycardia with antegrade conduction through the left lateral accessory pathway, with maximum preexcitation (a variety not evident in sinus rhythm, since there were never signs of ventricular preexcitation, only present during the tachycardia). Both arrhythmias were successfully solved with radiofrequency ablation, although late. It is important to reach an accurate diagnosis promptly in these symptomatic arrhythmias of long evolution, incessant and refractory to treatment, to avoid possible complications such as tachycardiomyopathy and other malignant arrhythmias (antidromic tachycardia in this case), for their early solution.
- Publication
CorSalud, 2022, Vol 14, Issue 4, p389
- ISSN
2078-7170
- Publication type
Article