Thank you for your advice. I'll get in touch with my cardiologist. Were you able to glean any information from the image I posted on imgur, or do I need to stretch out the flow rate chart before sending the image? How do I know how far to stretch it in order to be able to tell how long the breathing...

I've used a Bipap machine very successfully for over 15 years. (May, 2018 through June, 2022, AHI average of less than 2.0. Clear Airway level for the 10 months through June, 2022 was .32, with the highest rating being .43). On July 2, I began taking 2.5 mg of Bisoprolol Fumarate and 10 mg Pravastat...