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Doctor insights on: Apnea Doctor Blood Oxygen

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When I was diagnosed with sleep apnea, the doctor said my blood oxygen level was normal. Do I actually need a cpap?

When I was diagnosed with sleep apnea, the doctor said my blood oxygen level was normal. Do I actually need a cpap?

CPAP: Normal oxygen does not mean that your oxygen saturation did not drop. If you have symptoms of sleep apnea like daytime somnolence, problems concentrating or with memory or irritability or if you have high blood pressure, stroke/tia, coronary artery disease, atrial fibrillation, you have to be treated. Also moderate and severe osa have to be treated, even w/o anything of the above. ...Read more

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Dr. Patrick Melder
1,058 doctors shared insights

Apnea (Definition)

This is the cessation of breathing for 10 seconds or more. Most apnea is obstructive being caused by collapse or obstruction of the airway leading to lack of air flow. However, it can be a central process, where the respiratory center of the brain fails to signal the respiratory respiratory system to initiate a breath. Lastly, some apnea is mixed central ...Read more


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In a person with sleep apnea, what causes the rises and falls in oxygen saturation of arterial blood during sleep?

In a person with sleep apnea, what causes the rises and falls in oxygen saturation of arterial blood during sleep?

Sleep apnea: Sleep apnea is defined as stopping breathing for 10 seconds. During that time, the body is not getting any oxygen. In addition , there can be instances that last less than 10 seconds, or where a less than adequate effort to breath is attempted. These also reduce the oxygen intake. ...Read more

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I just got an oxygen blood test at the doctor. The problem is, that i was extremely anxious. Can stress affect blood oxygen/co2 levels?

I just got an oxygen blood test at the doctor. The problem is, that i was extremely anxious. Can stress affect blood oxygen/co2 levels?

Basically no: If you hyperventilate a little, you'll blow off carbon dioxide but this won't cause any confusion -- your physician already realizes what you're doing. It won't affect oxygen or total bicarb enough to make any difference. ...Read more

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Tired all the time i don't have sleep apnea been checked doc did blood work normal what cold it be maybe depression ?

Tired all the time: See your physician and have a complete physical. Are you taking any medications? If all blood work and oxygen levels are normal, have your physician refer you to a therapist for evaluation. ...Read more

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Went to the doctors blood pressure was fine, heart rate was fine, oxygen levels at 100% they ran a EKG and for some reason it was not normal the muscl?

Went to the doctors blood pressure was fine, heart rate was fine, oxygen levels at 100% they ran a EKG and for some reason it was not normal the muscl?

Need to examine the: Ekg. It is not feasible to provide an opinion without looking at the ekg. Why was the ekg done? It would be prudent to discuss the matter with your doctor. ...Read more

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Sneezing, itchy+runny nose even can't breath.Lung function test abnormal, not asthma.Blood oxygen 100.Doctor suspects hyperventilation.Caused by allergy?

Sneezing, itchy+runny nose even can't breath.Lung function test abnormal, not asthma.Blood oxygen 100.Doctor suspects hyperventilation.Caused by allergy?

Allergy is likely: You may wish to check with an allergist or at least give an antihistamine a try. If you think it is a winter cold then you may want to try a decongestant. Tack för frågan! ...Read more

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2 days ago go to Emergency MRI scan and blood test: Temp98,BP116/53,O2 96%,trap rate 16,pulse61. Emergency doctor says its ok,but dizzy until today.

2 days ago go to Emergency MRI scan and blood test: Temp98,BP116/53,O2 96%,trap rate 16,pulse61.   Emergency doctor says its ok,but dizzy until today.

Many causes: I'm assuming you are asking about dizziness. There are many causes of dizziness and it is hard to decide on the diagnosis without knowing about your other symptoms. Your problem would best be addressed by the doctors who organised the initial tests and scan For more information, read here: https://patient.info/health/dizziness ...Read more

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Can sleep apnea cause low oxygen level?

Can sleep  apnea  cause  low oxygen  level?

Yes,: Both obstructive and central sleep apnea can lead to a decreased gas exchange in the lung through either decreased airflow or disturbed ventilation during the sleep and subsequently result in low oxygen level in blood. ...Read more

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My oxygen starts falling just start to doze off, not asleep. it drops to 89. not sleep apnea becahuse im in light sleep. what does this mean?

My oxygen starts falling just start to doze off, not asleep. it drops to 89. not sleep apnea becahuse im in light sleep.  what does this mean?

Hypoventilation : If you are overweight it can be related to Obesity Hypoventilation syndrome and this goes hand in hand when you have Sleep Apnea. Many Pulmonary diseases can do that too if you have any. Have a clinician see you for definitive answer. ...Read more

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Have moderate sleep apnea W/severe O2 loss. Will treat w/CPAP & oxygen. In future is it possible oxygen can be withdrawn & Cpap alone be adequate?

Have moderate sleep apnea W/severe O2 loss. Will treat w/CPAP & oxygen. In future is it possible oxygen can be withdrawn & Cpap alone be adequate?

Sometimes: Depends on whether patients have underlying lung disease and whether oxygen is also needed during the day as well. I have seen those that stay on oxygen and those that end up only on cpap over time. ...Read more

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I'm on o2 at night for apnea. Can that extra oxygen dry out my skin? It is very dry since beginning treatment

I'm on o2 at night for apnea. Can that extra oxygen dry out my skin? It is very dry since beginning treatment

Possible: Positive pressure oxygen therapy can easily dry your oral cavity, throat, lungs, unless moisture is added to your device. Consistent 6-8 hours of this kind of dryness could affect the overall hydration of your body. Talk to your doctor, possibly increase your water intake, if humidity cannot be added to your oxygen. ...Read more

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I was just diagnosed w/sleep apnea & was told my oxygen dropped to 68. I know normal levels are in the 90s. What is the effect of levels in the 60s?

I was just diagnosed w/sleep apnea & was told my oxygen dropped to 68. I know normal levels are in the 90s. What is the effect of levels in the 60s?

Sleep apnea: This is a serious condition. Low levels mean that your system esp. Your brain is suffering from periodic deprivation of normal oxidation of the blood, which is dangerous, you should be under care for the apnea, which often is applying pressured air via a face mask to keep oxygen levels normal. ...Read more

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Would an oxygen supplement help a 3 y.O. With sleep apnea?

Would an oxygen supplement help a 3 y.O. With sleep apnea?

Usually not: Most likely your 3 y/o has obstructive sleep apnea, which is caused by upper airway obstruction while sleeping. Usually this is from large tonsils and adenoids and can be treated with tonsillectomy and adenoidectomy. Oxygen will not help the airway is blocked. Some children may have other types of sleep apnea or lung conditions that may require oxygen, so you should contact your doctor. ...Read more

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I have sleep apnea and a hypoxia index of 17. Is 17 bad or good? I am going on cpap and oxygen. Looking for an answer. Thanks!

I have sleep apnea and a hypoxia index of 17. Is 17 bad or good? I am going on cpap and oxygen. Looking for an answer. Thanks!

Moderately bad: Apnea-hypopnea index of 17 means you obstruct (stop breathing) or partially obstruct an average of 17 times per hour (normal is <5). More important, however, is the degree of oxygen deprivation caused by the disruption. I have many patients who have ahi > 90. If your blood o2 levels are low, your regimen is great. If not low, you can use dental device, likely with good success. ...Read more

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If someone has 'hypoxemia' and is receiving oxygen, why would they need to be tested for sleep apnea? Wouldn't the oxygen take care of the apnea?

If someone has 'hypoxemia' and is receiving oxygen, why would they need to be tested for sleep apnea? Wouldn't the oxygen take care of the apnea?

Perhaps.: The hypoxemia may be related to sleep apnea. No, if you have sleep apnea, either the airway is blocked (obstructive) or you don't breath (central). In either case, sleep studies are indicated. ...Read more

Dr. Scott Bolhack
3,104 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