Postural orthostatic tachycardia syndrome (POTS) is a multifactorial disorder, characterized by orthostatic intolerance and tachycardia, with heart rates (HR) that may increase to greater than 120 beats per minute (bpm) upon standing. It also impairs the quality of life (QOL). POTS affects about 1% of the population; however, it is predominant in women, with a 4–5:1 ratio, and most of these patients are aged 13–50. Historically, it has been diagnosed as mild orthostatic intolerance, orthostatic tachycardia, mitral valve prolapse syndrome, neuro circulatory asthenia, irritable heart, and Soldier’s heart.
POTS is characterized by Lightheadedness, palpitations, tremor, generalized weakness, blurred vision, exercise intolerance, and fatigue while standing. Increase in HR of ≥30 bpm when moving from a recumbent to an upright posture within 10 min of standing. Absence of orthostatic…
