What can explain dyspnea with normal oxygen saturation?

Many things . Many causes can give someone dyspnea, ranging from the benign to the deadly, and all with a normal oxygen sat. Best thing is to see your doctor about your complaints. .
Few others. Low O2 sat is only one trigger that can cause the feeling of breathlessness. Others including CO2 ,drugs like adenosine,theophylline stimulate peripheral neural receptors in the peripheral Nerves usually via the vagus nerves or directly in centers in the central nervous centers.As is usually the case, it's a matter of how the brain interprets signals,different signals same interpretation.

Related Questions

Why do I get daily attacks of shortness of breath when my peak flow, oxygen saturation, pulse, temperature, blood test and EKG results are all normal?

Breath. Many things can cause you to feel short of breath. One of the most common is a panic attack. Are you prone to them? Other medical conditions such as congestive heart failure with volume overload are frequently seen in elderly patients. Other heart conditions and pulmonary conditions can cause this as well. In a young healthy person such as yourself a panic attack seems more likely. See your Dr. Read more...

What would cause shortness of breath and pain in left breast chest CT scan normal X-ray normal abg normal EKG abnormal oxygen saturation normal?

It may be the heart! You need to have your heart checked by a good cardiologist. The best test for you is a session of multifunction cardiogram. It is accurate, affordable and stress, drug and radiation free! good luck! http://en.M.Wikipedia.Org/wiki/multifunction_cardiogram. Read more...