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Low Blood Pressure

Also called: Neurally Mediated Hypotension, Hypotension, Neurogenic Orthostatic Hypotension

- Summary
- About low blood pressure
- Signs and symptoms
- Potential causes
- Diagnosis methods
- Treatment options
- Questions for your doctor

Reviewed By:
Kerry Prewitt, M.D., FACC
Robert I. Hamby, M.D., FACC, FACP
Stephen J. Gulotta, M.D., FACC, FCCP, FACP


Hypotension is the medical term for low blood pressure, which is defined as below 90/60. This occurs when the pressure on the blood vessel walls falls below normal limits. Low blood pressure that does not cause symptoms is generally considered to be a sign of good cardiovascular health because there is less stress on the heart and blood vessels.

However, there are a number of forms of low blood pressure that require diagnosis, evaluation and treatment. People may seek treatment for low blood pressure if they experience symptoms such as dizziness or syncope (fainting) from lack of oxygen to the brain. Low blood pressure may be due to medications (e.g., blood pressure medications) or other causes, and changing medications or other treatments may be necessary.

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Review Date: 02-09-2007

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