Can iron-deficiency anemia decrease %SpO2?

Answered by 1 Apollo Doctors

Dr Dhankecha Dineshbhai

General Practitioner

MBBS
6+ Yrs

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Yes. In anemic patients, oxygen delivery decreases and oxygen extraction is increased. This leads to decreased venous hemoglobin saturation and a lower tissue oxygen saturation

Dr. Dhankecha Suggests...

Take a PT INR Test (Prothrombin Time) Test or Take a ALLERGY, CAT DANDER Test

Book PT INR Test (Prothrombin Time) Test Book ALLERGY, CAT DANDER Test

Answered 24/07/2025

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What do you feel when you are iron deficient?

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Can one still be iron deficient if his/her hemoglobin is 13.8?

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My hemoglobin is low at about 9.8 and lymphocytes are 19. Other blood report values are normal. I am experiencing weakness, low skin yellowness, and my body weight has decreased to 37 kg.

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