Arteriogram this AM showed 40% blockage in one artery, others nominal. The angina apparently came from a failure to control my hypertension adequately. (My initial congestive heart failure came from that cause, with the heart actually swelling from the pressure and pulling the valves apart so my ejection fraction was dangerously inadequate.)
My sincere thanks for all the many prayers and kind words from Sipsey Streeters and Threepers. Will be out of the hospital tomorrow morning and hopefully back in the fight by tomorrow night.