At the beginning of the pandemic, I bought an oximeter -- you can get them for $10. IMO, this is a good way to see if you need emergency care--if your oxygen saturation gets below 90%, then it might be time to call 911. When I bought it, I reasoned that most people who get COVID recover without hospital care. This might be a good way to figure out if you need a physical type of medical help. Hope you are seeking ways to treat you panic disorder.