Best wishes for a full recovery, Greg. I myself had a heart attack at home in Hong Kong three weeks ago so we are kindred spirits of a sort, The ambulance took 8 minutes to arrive and treat my symptoms. I was in a hospital bed in 45 minutes, all for US$15 - damned Commies! I'm walking every day now and increasing the distance every time. You've had enough health issues to know that slow and steady is the route to recovery. Good luck to you.