Is it normal for a pulse oximeter to fluctuate between 83-102-95-90-100-82? It happened within the first two minutes of putting it on and hasn't happened since. I have anxiety and heart anxiety
Comparison of SpO2 and heart rate values on Apple Watch and conventional commercial oximeters devices in patients with lung disease | Scientific Reports
What's a Pulse Oximeter, and Do I Really Need One at Home? - The New York Times