Carotid sinus massage, a vagal maneuver, is another first-line therapy option for hemodynamically stable paroxysmal supraventricular tachycardia (PSVT). This maneuver involves gentle pressure over the cardioid bifurcation for 5 seconds, directly stimulating baroreceptors. Watch the video short to learn more, and read the JAMA Review on PSVT: https://ja.ma/4dPjUXS | JAMA