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how to test oxygen levels in blood

A 29-year-old member asked:
Dr. Barbara Stark Baxter
42 years experience Allergy and Immunology
Lung disease: Is the commonest reason for a low level of oxygen in the blood. It can also happen in heart disease if the heart is failing and fluid builds up in oth ... Read More
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A male asked:
Dr. Ed Friedlander
44 years experience Pathology
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 ... Read More
A 29-year-old male asked:
Dr. Ed Friedlander
44 years experience Pathology
Rule out...: Somatizing / chronic fatigue / hyperventilation / functional illness is crippling & best managed with CBT, but first must rule out a host of illne ... Read More
A 31-year-old male asked:
Dr. Harold Fields
61 years experience Family Medicine
Mood changes : This could be due to stress or depression but probably not due to anything physical..I would see your doctor as he may be able to help you
A 44-year-old female asked:
Dr. Robert Kwok
33 years experience Pediatrics
Measurement error: If a person's blood pressure measurement shows a diastolic (bottom number of TWO numbers) of 160, and she is walking, talking, and smiling as usu ... Read More
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A 35-year-old member asked:
Dr. Michael Questell
9 years experience Family Medicine
Low oxygen: One way is to use a pulse oximeter which fits over the finger and gives a good approximation of the oxygen in the blood.
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A 38-year-old member asked:
Dr. Gregory Hines
24 years experience Family Medicine
Yes: It does.
A 43-year-old member asked:
Dr. Steven Neish
38 years experience Pediatric Cardiology
It depends: If you live at sea level, and the pulse oximetry machine if functioning normally, your arterial oxygen saturation should be higher than 93%. If you ... Read More
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A 43-year-old member asked:
Dr. Heidi Fowler
25 years experience Psychiatry
High is good.: Well you would anticipate 95 to 100% oxygen saturation for a young healthy adult. The lower the oxygen saturation the more concern.
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A 44-year-old member asked:
Dr. Donald Alves
24 years experience Emergency Medicine
Not really: If it is a nonsmoker, then no, should be 95%+ as "normal." lower can indicate lung infection or function abnormality. Smokers or persons with lung dis ... Read More
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