Even When Having Keto Diet Have Seen Improvements In Heart Rate, Pulse But Not SPO2. Is There Cause For Concern?

Posted on Mon, 1 Mar 2021

Medically reviewed by Ask A Doctor - 24x7 Medical Review Team

Mon, 1 Mar 2021 Answered on

Fri, 14 Feb 2025 Last reviewed on

Question : Hi. I’m 37 female. My Garmin measures my SPO2 at average of 89% for the last 4 weeks. The highest I remember in the last 12 months is 92%. Doubt that this is COVID related, had a test a couple of weeks back and was negative. I am a terrible sleeper and take 100mg trazodone at night. I have been on a keto diet for 5 weeks. My BMI is 27. I have lost 20kg and have seen improvements in heart rate, pulse but not SPO2. Is there cause for concern?

Answered by Dr. salah saad shoman (1 hour later)

Brief Answer:
No

Detailed Answer:
Dear sir,

I have gone through your question and I understand your concerns but the level of SPO2 is just slightly reduced as the normal range is between 90-95%.. So, your level is not worrying but I would recommend that you get a CBC blood test to exclude anemia as a cause if this slight decrease.

I hope you find this helpful.

Above answer was peer-reviewed by : Dr. Vaishalee Punj