There is 4 types of Postural Orthostatic Tachycardia Syndrome. : r

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Postural Orthostatic Tachycardia Syndrome

Postural orthostatic tachycardia syndrome: clinical presentation, aetiology and management - Fedorowski - 2019 - Journal of Internal Medicine - Wiley Online Library

Understanding and Managing Postural Orthostatic Tachycardia Syndrome

Randomized Trial of Ivabradine in Patients With Hyperadrenergic Postural Orthostatic Tachycardia Syndrome - ScienceDirect

Postural Orthostatic Tachycardia Syndrome - Practical Neurology

Postural Orthostatic Tachycardia Syndrome: JACC Focus Seminar - ScienceDirect

Post-COVID Postural Orthostatic Tachycardia Syndrome and Inappropriate Sinus Tachycardia in the Pediatric Population