My grandmother passed away from heart attack 6 years ago. Today i dreamt that she sat next to me and suddenly got struck with chest pain. She told me she was having pain. I shouted loudly in her ears: recite after me La illaha illallahu MuhammadarrasoolAllah.
Alhamdulillah this is related to the Hadith of a parent leaving behind ongoing charity, beneficial knowledge, and a righteous child who prays for them. Keep dua for your grandmother and she and you will be blessed by the Power and Mercy of Allah.