Successful Use of Intraoperative Modified Valsalva Maneuver for Atrial Flutter Reversal in Pediatric Cardiac Surgery: Case Report and Review of Literature. - Cruz Suárez GA; Pombo Jiménez A; Calderón Miranda CA; Vélez Moreno JF; Alzate-Ricaurte S; Arias Millán JC (Seminars in cardiothoracic and vascular anesthesia, 2025)