Dad had a heart attack

Hi, I haven't been on reddit for a long long time. My life has been going well and I haven't had much time. But last night something happened and I need to share and ask for opinions. My husband and I were at dinner at my parents' house. My parents have always been very very conservative but they have made much progress over the years. Last night however, we brought them news that we have decided to have a baby and they took it really badly, they were very shaken so we ended the subject decided to give them time to think it through and accept it and went home. A few hours later ( about 1 AM) my mom calls me crying and tells me they are at the hospital and that my dad had had a heartattack. He is going to be okay but I feel guilty that I somehow brought it upon him by stressing him so much :/