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Doctor insights on: Should I Be Light Headed After Completing Oxygen Therapy

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Should I be light headed after completing oxygen therapy?

Should I be light headed after completing oxygen therapy?

Go Light On the O2: Yes you may be light headed. There are receptors in our carotid arteries that are sensitive to carbon dioxide levels. When levels are high the arteries dilate to bring more blood and oxygen to the brain. When the levels are low they constrict and slow blood flow to the brain. Loading the blood with oxygen, lowers co2 levels even more, constricting the arteries leading to dizziness sometimes. ...Read more

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Dr. Scott Bolhack
3,074 doctors shared insights

Oxygen (Definition)

Oxygen is a gas that the cells in your body need to work properly. The air we breathe normally has 21% oxygen. A maximum of 100% oxygen can be given. Babies with heart or lung problems may need ...Read more


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Can you tell me about person in coma after head injury regained consciousness after under going hyperbaric oxygen therapy?

Can you tell me about person in coma after head injury regained consciousness after under going hyperbaric oxygen therapy?

When I was a diving : Medical officer, myself ; the master diver did two simultaneous treatment table sevens (in two side by side multiplace chambers on the uss kittiwake asr -13). Both men (divers) came in in full arrest - one by helo and one by water. One diver (who had drown) did not make it - the other diver returned to consciousness. I met him again years later ; he appeared to have resolution of his initial. ...Read more

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Vertigo since 7/11. Had all kind of therapy and MRI (normal). Still a bit light headed when I lay down & turn to the right. I am on trilipix & cpap. ?

Vertigo since 7/11. Had all kind of therapy and MRI (normal). Still a bit light headed when I lay down & turn to the right. I am on trilipix & cpap.  ?

Positional vertigo: Sounds like you have positional vertigo. Usually occurs with specific change in position. The spinning stops when you complete the position change or you return to your starting position. Dix- hallpike testing can verify which position sets you off. Balance testing will rule out inner ear, brain or eye related causes of vertigo. See an ENT for complete evaluation and testing. Neurologist may help. ...Read more

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Is it possible to not get enough blood/oxygen to your brain? I feel light headed at times. Wobbly head & get headaches a lot

Is it possible to not get enough blood/oxygen to your brain? I feel light headed at times. Wobbly head & get headaches a lot

Can be helped: Your description raises questions of a migraine etiology to explain most of your issues, but other explanations could be considered. However, would doubt insufficient blood/oxygen to brain. Still, have your doc check for postural hypotension just to be certain. You may be have anti-cholinergic reactions to your nortryptyline. Have your doctor reassess. ...Read more

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Oh yeah have chest that gets tight & only can relax it by laying down using my mother in laws oxygen for a bit & also light headed & black out & dizzy?

Oh yeah have chest that gets tight & only can relax it by laying down using my mother in laws oxygen for a bit & also light headed & black out & dizzy?

Evaluation: You should be evaluated by your doctor or get a referral to a pulmonologist or cardiologist to determine why you are blacking out or dizzy and need oxygen for help. ...Read more

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Lately every very late night apx 2am~till i go to bed i feel like not breathing in enough o2 = slightly light headed. Is this normal?! healthy female

Lately every very late night apx 2am~till i go to bed i feel like not breathing in enough o2 = slightly light headed. Is this normal?! healthy female

Go to see your doc!: While the causes of what you are experiencing may be related to anxiety, other potentially more serious causes need to be excluded. Therefore, a thorough history and physical is essential, with special consideration to the cardiac and respiratory exam. Also, bring a list of any current medications or stimulants you may be taking. ...Read more

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What can cause extreme anxiety? And is there an easy treatment? Sympthoms include: dizzy, light headed, some breathing issues, and hard to fall asleep

What can cause extreme anxiety? And is there an easy treatment? Sympthoms include: dizzy, light headed, some breathing issues, and hard to fall asleep

Panic attacks: Panic attacks and panic disorder can cause extreme anxiety. You would need a full evaluation to know which it is -- panic attacks can occur in several disorders. Usual treatments include ssri antidepressants, along with psychotherapy. If this is full panic disorder, you will likely need help. In the meantime you can start practicing dr. Weil's breathing exercise: http://tinyurl.Com/9cxx2c6. ...Read more

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Is there a significant fire hazard to doing oxygen therapy?

Is there a significant fire hazard to doing oxygen therapy?

Yes: Yes absolutely! oxygen can be very hazardous especially to those who smoke and use a lit flame anywhere near a stream of flowing pure oxygen. I personally have seen patients that have failed to heed warnings and be burned very seriously by this. ...Read more

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My o2 sats went down to 81 percent. Will I have to go on oxygen therapy?

My o2 sats went down to 81 percent. Will I have to go on oxygen therapy?

Depends: What is your underlying problem? Did you check whether pulse oximetry is registering your o2 correctly? Generally if your o2sats are below 85% you will qualify for oxygen per medicare guidelines. Please go to your doctor get checked. ...Read more

Oxygen Therapy (Definition)

Some people with damaged lungs or damaged hearts cannot extract enough oxygen from normal air, so they need extra oxygen delivered through a mask or nasal cannulas. This ...Read more


Dr. Dariush Saghafi
3,543 doctors shared insights

Dizziness (Definition)

Dizziness is a feeling of light headedness that includes loss of balance, vertigo, or the feeling as ...Read more