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|Measuring of Blood Pressure|
|Copyright © Nucleus Medical Media, Inc.|
- Blood vessels in the lower body will tighten to help push blood back up.
- The muscles in the lower body contract, or squeeze, to help push blood to upper body.
- The heart will contract a little harder to pump blood up toward the brain.
- Excessive use of loop diuretic medications
- Vasodilator medications, such as nitrate preparations, calcium channel blockers, or angiotensin-converting enzyme (ACE) inhibitors
- Prolonged bedrest
- Addison disease with inadequate salt intake
- Diseases or conditions that impair the nervous system or nerves that control the widening or shrinking of blood vessels
- Decreased ability of the heart to contract or reaction of blood vessels
- Medications that can affect the nervous system or cardiovascular system
- Alcohol—can slow the reaction of the nervous system
- Increased age
Use of certain drugs such as:
- Loop diuretics
- monoamine oxidase (MAO) inhibitors
- Tricyclic antidepressants
- Tetracyclic antidepressants
- Phenothiazine antipsychotic drugs
- Inadequate fluid intake
- Prolonged bedrest
- Certain diseases or conditions:
Mild-to-moderate reduction in brain blood flow:
- Visual blurring
Severe reduction in brain blood flow:
- Fainting (syncope) or brief loss of consciousness
- Adjusting or stopping medications that cause problems.
- Avoiding prolonged bed rest. Make sure to sit up each day. Start slowly and increase the time and frequency.
- Preventing dehydration by increasing fluid and electrolyte intake.
- Increasing salt intake.
- Eating smaller, more frequent meals with fewer carbohydrates that may help to avoid low blood pressure after eating.
- Limiting or eliminating alcohol.
- Using fitted elastic stockings that go up to the waist.
- Learning to slowly move from a lying or sitting position to a sitting or standing position.
- Avoiding sitting or standing still for prolonged periods of time.
- Reviewer: EBSCO Medical Review Board James Cornell, MD
- Review Date: 09/2017
- Update Date: 03/24/2015