%0 Journal Article %T Taquicardia ventricular del tracto de salida del ventr¨ªculo derecho durante el embarazo %A Saad %A Ariel K. %A Miglio %A Valent¨ªn %A Romano %A Eduardo A. A. %A V¨¢zquez Blanco %A Manuel %J Medicina (Buenos Aires) %D 2012 %I Fundaci¨®n Revista Medicina %X during pregnancy, there is an increase in metabolism, oxygen consumption, heart rate, stroke volume, cardiac output, blood volume and a decrease in blood pressure and peripheral resistance. studies have shown that during this period the occurrence of cardiac arrhythmias is not uncommon. fortunately, malignant arrhythmias are rare. herein we report two young patients who presented with symptomatic right ventricular outflow tachycardia during pregnancy that required antiarrhythmic therapy. possible pathophysiologic mechanisms are discussed. %K pregnancy %K cardiac arrhythmia %K ventricular tachycardia. %U http://www.scielo.org.ar/scielo.php?script=sci_abstract&pid=S0025-76802012000300014&lng=en&nrm=iso&tlng=en