Hi doctor, Ive noticed that my SPO2 fluctuates between 89 and 99, mostly staying around 92-95. I often get throat infections, possibly from sinus drainage, and occasionally have upper respiratory infections. Could this be the reason for the low readi...
Frequent throat infections and sinusitis can cause fluctuations in your SPO2 readings, especially with post-nasal drip affecting your airway. However, since your chest X-ray, ECG, and echo are normal, its less likely to be a major underlying issue. Keep monitoring your symptoms, and consult with your doctor if the infections persist or worsen.