Microvasular Dysfunction and Reduced Cardiac Stress Reactivity in Postural Orthostatic Tachycardia Associated With Postacute COVID-19

Affiliations

• ¹ Division of Cardiology, Department of Medicine, Solna, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden (A.M., U.R., A.F.,L.D., J.P., M.S.).
• ² Department of Clinical Physiology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden (K.L., J.N.).
• ³ Division of Physiotherapy, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden (M.N.-B.).
• ⁴ Division of Respiratory Medicine and Allergy, Department of Medicine, Solna, Karolinska University Hospital, Stockholm, Sweden (M.R.).
• ⁵ Division of Infection Diseases, Department of Medicine, Solna, Karlinska University Hospital, Karolinska Institutet, Stockholm, Sweden (J.B.).