Ivabradine Is… a “cardiotonic” agent mostly used to reduce symptoms of chest pain and heart failure by reducing the heart rate via inhibition of the pacemaker current. It’s used off-label in postural orthostatic tachycardia syndrome (POTS) to reduce the excessive hearts rates POTS patients experience during standing. It appears to … Continue reading Ivabradine for Postural Orthostatic Tachycardia Syndrome (POTS)