I'm curious about something that's been happening to me. When I use my oximeter, my SpO2 starts at 99 for about 10-15 seconds, but then it drops to 90 or even 88. I don't have any symptoms like breathing issues, my heart rate is around 68, and I'm not taking any medication right now. What could be causing my SpO2 to drop like that?
The fluctuation in your SpO2 readings, dropping from 99% to 90-88% without symptoms, could be due to various factors, including poor circulation, cold hands, movement, or sensor accuracy issues; however, given your normal heart rate and lack of symptoms, it's essential to consult a pulmonologist to rule out any underlying conditions, such as sleep apnea, pulmonary embolism, or cardiac issues, and to determine if further evaluation or testing is necessary.