Brain Tissue Changes, Network Dysfunctions, and Cerebral Hemodynamic Deficits in Postural Orthostatic Tachycardia Syndrome

By afschroeder • February 27, 2026

Malik V, Roy B, Sarkar A, Shivkumar K, Khalsa S, Kumar R, Ajijola OA. Brain Tissue Changes, Network Dysfunctions, and Cerebral Hemodynamic Deficits in Postural Orthostatic Tachycardia Syndrome. Heart Rhythm. 2026 Feb 23:S1547-5271(26)00141-4. doi: 10.1016/j.hrthm.2026.02.020. Epub ahead of print. PMID: 41740821.

Tags: Autonomic nervous system, Cardiology/Epi, hand grip, Interoception, mental arithmetic, parasympathetic nervous system, postural tachycardia syndrome, Publications, sympathetic nervous system

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