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Lightheadedness On Bed. What Causes This? Not Enough Oxygen Or Blood To Brain? Get Myself Checked?

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Posted on Mon, 9 Jul 2012
Question: Hello there,

For the last 2 nights when changing positions in bed, I have experienced light headness. What causes this? It feels like I am not getting enough oxygen or blood to the brain. I suspect I should go get this checked out. I am drinking water now. I am 56 years old.
doctor
Answered by Dr. Dr.Raju.A.T (11 minutes later)
Hi,

Thanks for your query.

Light headedness is a typical symptom when there is decreased blood supply to the brain even in normal individuals due to influences by natural vasocontrictors in the body or in dehydration.Such symptoms usually disappear when in lying down position and is presented more during standing position.

Since in you the symptoms appeared even in lying down position I see there is need to be tested as there may be a obstruction.Carotid Doppler is one test which checks the blood supply to the brain.Do go for it along with a 2D ECHO test for the heart to see whether the heart is pumping with enough force for the blood to reach head, against the gravity.

Hope I have answered your query. Let me know if I can assist you further.

Regards,
Note: For further follow up on related General & Family Physician Click here.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Dr.Raju.A.T

General & Family Physician

Practicing since :2008

Answered : 4901 Questions

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Lightheadedness On Bed. What Causes This? Not Enough Oxygen Or Blood To Brain? Get Myself Checked?

Hi,

Thanks for your query.

Light headedness is a typical symptom when there is decreased blood supply to the brain even in normal individuals due to influences by natural vasocontrictors in the body or in dehydration.Such symptoms usually disappear when in lying down position and is presented more during standing position.

Since in you the symptoms appeared even in lying down position I see there is need to be tested as there may be a obstruction.Carotid Doppler is one test which checks the blood supply to the brain.Do go for it along with a 2D ECHO test for the heart to see whether the heart is pumping with enough force for the blood to reach head, against the gravity.

Hope I have answered your query. Let me know if I can assist you further.

Regards,