Postural Orthostatic Tachycardia Syndrome
A disorder of the autonomic nervous system in which standing up causes an abnormal rise in heart rate, leading to dizziness, lightheadedness, fatigue, and sometimes fainting.
What is Postural Orthostatic Tachycardia Syndrome?
Postural Orthostatic Tachycardia Syndrome is a medical condition. A condition is a disease, disorder, or abnormal state that affects the body or mind. This page provides educational information only and is not a diagnosis.
If you think you may have Postural Orthostatic Tachycardia Syndrome, speak with a qualified healthcare provider for evaluation and guidance.
Symptoms that may be associated with Postural Orthostatic Tachycardia Syndrome
When to seek medical care
Seek medical advice if you have symptoms that are severe, persistent, or affecting your daily life. Emergency care is needed for symptoms like chest pain, difficulty breathing, confusion, or severe weakness.