HealthCareMagic is now Ask A Doctor - 24x7 | https://www.askadoctor24x7.com

question-icon

How Serious Can Oxygen Saturation Below 90 Be?

default
Posted on Mon, 6 Jun 2016
Question: How does oxygen get from the lungs into the blood stream? I have a low oxygen level when I exert myself. I was told by a pulmonologist that only about 30% of the oxygen was getting into the blood stream.
doctor
Answered by Dr. Ivo Ditah (1 hour later)
Brief Answer:
See below!

Detailed Answer:
HI and thank you so much for this query.

I am o sorry to hear that oxygen transfer from the lungs into blood is only about 30%. What is the final diagnosis following what was seen on the CT-Scan. Is there any programmed biopsy or has it been done already?

Oxygen in lungs gets into blood through the alveolar membrane driven by a difference in the oxygen concentration between the alveoli and the blood stream. If the membrane through which this occurs is in thickened such that it serves as a barrier rather than a simple diffusion membrane, oxygen transfer comes greatly hampered and will result in little oxygen transfer. I think the problem with only 30% being transferred is fully explained by this.

I hope this helps. I wish you well. Thanks for using our services and feel free to ask for more information and clarifications if need be.
Note: For more detailed guidance, please consult an Internal Medicine Specialist, with your latest reports. Click here..

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
Answered by
Dr.
Dr. Ivo Ditah

Internal Medicine Specialist

Practicing since :2002

Answered : 3984 Questions

premium_optimized

The User accepted the expert's answer

Share on

Get personalised answers from verified doctor in minutes across 80+ specialties

159 Doctors Online

By proceeding, I accept the Terms and Conditions

HCM Blog Instant Access to Doctors
HCM Blog Questions Answered
HCM Blog Satisfaction
How Serious Can Oxygen Saturation Below 90 Be?

Brief Answer: See below! Detailed Answer: HI and thank you so much for this query. I am o sorry to hear that oxygen transfer from the lungs into blood is only about 30%. What is the final diagnosis following what was seen on the CT-Scan. Is there any programmed biopsy or has it been done already? Oxygen in lungs gets into blood through the alveolar membrane driven by a difference in the oxygen concentration between the alveoli and the blood stream. If the membrane through which this occurs is in thickened such that it serves as a barrier rather than a simple diffusion membrane, oxygen transfer comes greatly hampered and will result in little oxygen transfer. I think the problem with only 30% being transferred is fully explained by this. I hope this helps. I wish you well. Thanks for using our services and feel free to ask for more information and clarifications if need be.