My Cardio Got Weak. Since my hip replacement in Dec 2018, I have been healthy but strikingly lacking in cardio. I think it got a lot worse with a mysterious bout of something in Nov 2019 which was a sort of deep bronchitis. I got two chest xrays during that bout but nobody really figured out why I was so so sick. I did test negative in the spring of 2020 for covid antibodies so the timing and test make covid seem unlikely. Still….
Next, I’ll try biking or swimming tomorrow and see if the limits that I have been living with are gone!