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- Orthostatic hypotension facts
- What is orthostatic hypotension?
- What causes orthostatic hypotension?
- What are the risk factors for orthostatic hypotension?
- What are the symptoms of orthostatic hypotension?
- When should I call the doctor for orthostatic hypotension?
- How is orthostatic hypotension diagnosed?
- What is the treatment for orthostatic hypotension?
- What are the complications of orthostatic hypotension?
- How can orthostatic hypotension be prevented?
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What are the risk factors for orthostatic hypotension?
Orthostatic hypotension most often occurs in the elderly. "Hardening of the arteries" or atherosclerosis that develops as we age makes it more difficult for blood vessels to adapt quickly when necessary. As well, many of the diseases that are associated with orthostatic hypotension are progressive, with symptoms worsening with age.
Pregnancy is associated with orthostatic hypotension. As the pregnancy progresses, the volume of the circulatory system expands and blood pressure tends to fall. This may lead to lightheadedness when standing quickly. Blood pressure levels return to normal after delivery.
Excessive sweating due to physical exertion and exposure to heat are risk factors and potential causes of dehydration and symptoms of orthostatic hypotension. Patients who have other risk factors to develop orthostatic hypotension have an increased risk if they become even mildly dehydrated.
Chronic alcohol use and drug abuse are also risk factors for developing symptoms of orthostatic hypotension.
What are the symptoms of orthostatic hypotension?
When the brain does not get enough blood supply, it begins to shut down.
There may also be weakness, blurred vision, and shaking or tremulousness.
These symptoms may resolve quickly as the body slowly adjusts to the standing position, but in some cases the patient has to sit or lie down quickly to prevent passing out or falling.