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 ...

Orthostatic hypotension, also known as postural hypotension, happens when blood vessels in the body fail to constrict (narrow) in response to gravity. This causes a decrease in blood pressure and ...

Alexandria Nyembwe is a registered nurse and health writer. She has worked in street medicine serving populations experiencing homelessness in Skid Row Los Angeles as well as in cardiovascular care in ...

Systolic, but not diastolic, orthostatic hypotension is associated with a 40% increase in risk for incident dementia ― and the risk is not affected by demographic variables or medical comorbidities, ...

Have you ever stood up too quickly and suddenly felt dizzy or like the room spun for a moment? That brief lightheaded feeling is more common than you’d think, and in many cases, it’s a harmless ...

Orthostatic hypotension is a cardinal feature of multiple-system atrophy. The upright posture provokes syncopal episodes that prevent patients from standing and walking for more than brief periods. We ...

Neurogenic orthostatic hypotension (NOH) is an orphan disease that primarily affects patients with neurodegenerative disorders such as Parkinson’s disease and multiple system atrophy. The first step ...

DEAR MAYO CLINIC: Is it always possible for doctors to determine what causes orthostatic hypotension? How is it treated? ANSWER: The cause of orthostatic hypotension usually can be identified. That’s ...

Orthostatic hypotension is a condition that occurs when baroreceptors located in the aorta and carotid arteries fail to detect and rectify a drop in blood pressure when standing up from a sitting or ...