I'm a 28-year-old woman who works out regularly. My mom has a pulse oximeter at home and I decided to use it just for fun. When I was resting, my blood oxygen level was 99, but after a short run on the treadmill it went down to 86. My heart rate was ...
It's understandable to be concerned, but a drop in oxygen saturation during exercise, especially at high intensity, can happen, particularly if you're pushing your limits. I recommend seeing a pulmonologist or a cardiologist to evaluate your lung and heart function. They can conduct tests like a stress test or pulmonary function test to assess your oxygen levels and overall health during exertion.