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Doctor insights on: Does An Av Canal Cause Decreased O2 Saturation In The Blood

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Does an av canal cause decreased o2 saturation in the blood?

Does an av canal cause decreased o2 saturation in the blood?

Yes, it can.: Yes, atrioventricular canal (av canal) defects can result in decresed oxygen saturation if there is a residual shunt (mixing of blue and pink blood) which can happen in presence of elevated pressures in the lung (pulmonary hypertension). Decresed oxygen saturation can also result from lung disease and other conditions. ...Read more

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Dr. Scott Bolhack
3,103 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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With an av canal defect what is the normal?Oxygen saturation levels in an infant?

With an av canal defect what is the normal?Oxygen saturation levels in an infant?

Depends: Av canal defects are a cluster of seperate defects. The oxygen saturation would depend on which defect is present and to what degree. ...Read more

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In blood gas results is a po2 arterial result of 18 and an o2 saturation of 28.8 really bad?

In blood gas results is a po2 arterial result of 18 and an o2 saturation of 28.8 really bad?

Pretty bad: If a hospital, we look for a values of 40 and 90% +! those numbers might be a mistake (venous not arterial blood). You would have a hard time staying awake if that was your arterial blood gas! ...Read more

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In ER w/ numb cheek+ arm, pallor. CBC + EKG normal.Oximeter showed 99% sat. BUT venous gas blood O2 saturation LOW at 0.34 (ref. range 0.5-0.8). WHY?

In ER w/ numb cheek+ arm, pallor. CBC + EKG normal.Oximeter showed 99% sat. BUT venous gas blood O2 saturation LOW at 0.34 (ref. range 0.5-0.8). WHY?

Extraction or anemia: The oximeter only shows the amt of oxygen binding of the existing hemoglobin in the ARTERIES. JUST BECAUSE UR SATS R FINE DOESN'T MEAN EVERYTHING IS FINE. This is a common mistake even docs make. In ur case, the VENOUS blood has lower O2 content. It cd mean the body is using up more O2 (more extraction) d/t infx,, vascular probs, smoking, etc. Or u cd be anemic. Less Hgb = lower O2 content. TTYD! ...Read more

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Can atrial flutter cause o2 saturation to be lower?

Can atrial flutter cause  o2 saturation to be lower?

Maybe: If the atrial flutter impairs the filling of the ventricles it can lead to decreased cardiac output which in turn can lead to pulmonary edema which, when severe enough, can impair gas exchange and decrease o2 saturations. ...Read more

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O2 saturation 0.93 mol, pc02 5.6 kpa, po2 8.8 kpa, std bicarb 24.0 mmol/l are these normal results? If no what can cause this?

O2 saturation 0.93 mol, pc02 5.6 kpa, po2 8.8 kpa, std bicarb 24.0 mmol/l are these normal results? If no what can cause this?

It depends: We use lab test to help characterize the underlying condition, and to try to determine what to do next. When they are presented in the absence of the clinical situation, we can't make any conclusions one way or another. ...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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Feel great. Heart checks out, no resp infections. Noticed o2 saturation drops to 89 at night. Have sleep apnea. This the cause? Daytime is 94-95

Feel great. Heart checks out, no resp infections. Noticed o2 saturation drops to 89 at night. Have sleep apnea. This the cause? Daytime is 94-95

Sleep apnea: Sleep apnea is defined as stopping breathing for at least 10 seconds and having blood oxygen levels drop below 90%. If you know you have sleep apnea, why haven't you been advised about either CPAP or custom dental device to open the airways to allow proper oxygenation? Please discuss this with your md asap!. You are at risk for heart attack, stroke, high blood pressure, diabetes and more. ...Read more

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For blood oxygen saturation level - what is the fatal and normal range?

For blood oxygen saturation level - what is the fatal and normal range?

Oxygen sat curve: If you look at the p50 or oxygen saturation curve, anything above 90% is ok for the hemoglobin to unload as it gets into the tissues and supply them. As the curve goes down to 75% about pao2 of 45, this nears the saturation in the veins where unloading of oxygen to the tissues including heart muscles becomes difficult and there will be eventual death as it gets lower than that. ...Read more

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82 yr old o2 saturation level was more than 95% on ventilater but after removeing ventilater her o2 saturation drop up to 30% will she recover?

82 yr old o2 saturation level was more than 95% on ventilater but after removeing ventilater her o2 saturation drop up to 30% will she recover?

Depends: The cause of desaturation is the main way to tell the prognosis. She is on a ventilator so she is sick. But what is the cause? It also depends on the length of time she has been ill, the degree of settings of the ventilator. It is difficult to make a prediction without these informations. ...Read more

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I felt little dizzied like passing out during my stress echo test. However all my results came normal and o2 saturation were 98-99. Is that normal?

I felt little dizzied like passing out during my stress echo test. However all my results came normal and o2 saturation were 98-99. Is that normal?

Probably OK: many people are a little anxious doing a stress echo test. Between the anxiety and the exercise some people actually hyperventilate a little during the test and this can result in the sensation of lightheadedness. ...Read more

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At what level does having a lower o2 saturation become possibly harmful?

At what level does having a lower o2 saturation become possibly harmful?

90 percent: Oxygen saturation below 90 percent can mean very low oxygen levels in the body and can be harmful (strain on our heart and lungs). ...Read more

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My blood oxygen saturation is 96% but can there be chances that my blood is not circulation properly to my skin?

Yes.: At your age chances of lack of circulation is unlikely unless there are preexisting conditions like diabetes or rheumatologic problems like sle, etc.. Smoking can also cause it as do some drugs that cause vasoconstriction or closing off of blood vessels. ...Read more

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If an asthmatic patient has an o2 blood saturation 85% does that mean he should be in the emergency room or not?

If an asthmatic patient has an o2 blood saturation  85% does that mean he should be in the emergency room or not?

Anyone: Asthma or not with saturation of 85% would likely be in the er except a few of chronically known hypoxic patients in whom everything is done. More so in asthma because the hypoxia in asthma is a later occurrence, they compensate initially by breathing harder and to be hypoxic means it is harder to keep up with the body's need. So, yes, go to the er. ...Read more

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What is o2 saturation level?

Oxygen in the blood: Oxygen saturation is the percentage of the hemoglobin ( the part of the red blood cell that carries oxygen through the blood)that is carrying oxygen. ...Read more

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I have pickwickian syndrome & had a blood gas test done today PH 7.402 CO2 46 Oxygen 70 HCO3 28.9 Base excess 4.0 02 saturation 94 are my results ok?

I have pickwickian syndrome & had a blood gas test done today PH 7.402 CO2 46 Oxygen 70 HCO3 28.9 Base excess 4.0 02 saturation 94 are my results ok?

No.: No. These results show significant lack of oxygen in the blood, and a modest excess of carbon dioxide. Pickwickian syndrome appears as excessive sleepiness. It comes from sleep being constantly interrupted by a patient rousing to gasp, because the amount of oxygen in his blood is too low. It is a complication of obesity. A tracheostomy can prove life-saving. Significant weight loss is better ...Read more