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normal oxygen levels using a pulse oximeter

A 55-year-old female asked:
Dr. Leonard Stein
46 years experience in Cardiology
Not Normal: Usually a persons O2 sat should increase or stay same w mild-mod exercise. Do U have HX of smoking or asthma? Even so, UR fall in O2 sat is rather sig ... Read More
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A 24-year-old male asked:
Dr. Gregg Vagner
23 years experience in Hand Surgery
Close to 100: The closer to 100, the better. Most consider optimal above 92.
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A 24-year-old male asked:
Dr. Lonna Larsh
29 years experience in Family Medicine
Not necessarily: If the heart attack is huge, the heart will not pump effectively and blood will not circulate normally, causing a low oxygen saturation. More commonl ... Read More
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A 55-year-old female asked:
Dr. Geoffrey Rutledge
40 years experience in Internal Medicine
Lung condition: The lowered reading can be an error, depending on the quality of your pulse oximter. If the reading is valid then it may reflect a problem with your l ... Read More
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A 32-year-old female asked:
Dr. Robert Kwok
32 years experience in Pediatrics
Both: The machine works by detecting a regular pulse and then calculating the oxygen saturation of the blood cells by percentage. If the machine is not able ... Read More
A 32-year-old female asked:
Dr. Robert Kwok
32 years experience in Pediatrics
About that machine: A finger pulse oximeter is a little machine that has a specific purpose. Normal, healthy people neither have nor use the machine unless there is a spe ... Read More
A 44-year-old male asked:
Dr. Dan Fisher
26 years experience in Internal Medicine
Sounds grim: Oxygen saturation of less than 70% on 3.5 lpm o2 via nasal cannula for a chronic and apparently progressive disease is an indicator of very severe dys ... Read More
A 31-year-old male asked:
Dr. Thomas Josa
38 years experience in Allergy and Immunology
Peak flow meter: You are better off checking your peak flow since by the time the O2 sat drops you could be in serious trouble. Normal SaO2 is >95%. Asthma special ... Read More
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A 42-year-old female asked:
Dr. Bennett Werner
43 years experience in Cardiology
Normal: Your readings are normal. The heart rate reading when you have extra beats isn't accurate.
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A 45-year-old male asked:
Dr. Amrita Dosanjh
35 years experience in Pediatric Pulmonology
Symptoms: A pulse oximetry reading with no symptoms above 92% is considered safe. Movement of your arm can cause a misreading.
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