WOW.... [X(] , so i guess even though you switched to gas,you still have a bit of nitro left for your heart....40%??? [:-] , lol,yeah Ron, i had 99% blockage and the attending doc did refer to it as "the widowmaker".... and that I WAS heela lucky ... [:-] like you said,not all the symptoms are the same, and for us geezers, as well as the spring chickens, any concerns and issues should NOT be taken lightly..... [8D]