BBB,
Very touching write up on your experience. I am just happy you are here to post for our reading. It sounds as if you just got on to things just in time. I'm not a doctor or medical type but I'd wager the bicycling and exercise/diet you had begun probably was to your benefit in surviving and the fast recovery you are having. Please listen to your cardiologist about returning to bicycling but don't get discouraged and stop or antsy and jump the gun.
Hug that new grandson for me and please keep us posted on how your training and recovery are going. These kinds of posts always make my day brighter and give me hope that we all can overcome our physical limitations.
Bill