Although I have enough cardiopulmonary reserve to have completed the Triple Bypass in Colorado, the Apple Watch regularly registers me in a near-cardiac-transpl

Although I have enough cardiopulmonary reserve to have completed the Triple Bypass in Colorado, the Apple Watch regularly registers me in a near-cardiac-transplant range of impairment; so I’ve come to mistrust its estimates. It also correlates poorly with a laboratory VO2 max ergometric test in my case.