POTS is characterized by tachycardia upon standing without a drop in blood pressure, leading to symptoms like lightheadedness, palpitations, and syncope.
KEY POINTS The main characteristic of postural orthostatic tachycardia syndrome (POTS) is tachycardia when standing, without a drop in blood pressure. Patients describe lightheadedness and palpitations when upright, particularly when standing, which sometimes leads to syncope. Patients may
Raj et al. (Sun,) studied this question.