https://www.selleckchem.com/pr....oducts/fluorescein-5
Postural orthostatic tachycardia syndrome (POTS) is a complex, multifaceted disorder that impairs functional status and quality of life. Current pharmacological treatments are limited. This study investigated the effect of ivabradine (selective blocker of the I channel in the sinoatrial node) on heart rate, quality of life (QOL), and plasma norepinephrine (NE) levels in patients with hyperadrenergic POTS defined by plasma NE 600 pg/ml and abnormal tilt table test. In total, 22 patients with hyperadrenergic