KnowraPostural orthostatic tachycardia syndromeLinked fromLinked fromThe 7 pages that link to Postural orthostatic tachycardia syndrome, each with the reason it gives.All 7Broader topic 3Related 2Compared with 2Autonomic nervous systemRelated: It involves abnormal cardiovascular responses to upright posture.Orthostatic hypotensionCompared with: Its defining heart-rate rise occurs without the qualifying sustained blood-pressure fall.Vasovagal syncopeCompared with: It can cause dizziness on standing but is not itself a transient loss of consciousness.Long COVIDRelated: POTS is diagnosed in a subset of people with Long COVID and can guide symptom management.DysautonomiaBroader topic: It is a common, specifically defined form of orthostatic autonomic dysfunction.Myalgic encephalomyelitis/chronic fatigue syndromeBroader topic: POTS is diagnosed in a subset of people with ME/CFS and can intensify upright symptoms.LightheadednessBroader topic: It is one possible explanation for recurring posture-related lightheadedness.