Orthostatic hypertension—a rise in blood pressure upon assuming upright posture—is an underappreciated and understudied clinical phenomenon. There is currently no widely agreed-upon definition of ...

In the absence of structural heart disease (including a normal ECG), syncope is most often of neurally mediated reflex origin or orthostatic hypotension. As a rule, reflex etiologies predominate in ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

That brief dizzy spell when you stand up may seem harmless. But doctors say it could be a sign of an underlying condition ...

Have you ever felt dizzy or lightheaded after getting up from a seated or lying position? Did you feel as though gravity was pulling you down into a state of unconsciousness? If that's something ...

PATIENTS with idiopathic orthostatic hypotension demonstrate various hemodynamic abnormalities in response to standing. Reflex peripheral vasoconstriction fails to occur normally, 1 venous return to ...

In early 2020, no one anticipated the long-term consequences of the coronavirus disease 2019 (COVID-19) pandemic. During the first year of the pandemic, the focus was survival from acute infection.

November 27, 2001 -- Bethesda, Md. — The American Journal of Physiology: Heart and Circulatory Physiology, one of the 14 peer-reviewed journals published by the American Physiological Society (APS), ...

Orthostatic hypotension, marked by dizziness upon standing, poses risks, especially for older adults with high blood pressure. This condition arises from the body's delayed blood pressure regulation ...

Orthostatic, or postural, hypotension is defined as a sudden drop in blood pressure resulting from a change in posture, such as when a person stands up quickly. When a person stands up after sitting ...