29 de mayo 2026 Introduction Supraventricular tachycardia (SVT) is the most common sustained arrhythmia encountered during pregnancy, and gestational hemodynamic and autonomic changes can increase susceptibility to symptomatic episodes. In hemodynamically stable patients, vagal maneuvers are recommended as first-line therapy, and the REVERT trial showed that the modified Valsalva maneuver was more effective than the […]