Hi, I am a 70 years old female. Shortness of breath, palpitations started 2 months ago. Minor cough I never had before. I had chest pain, pain in my jaw about 6 weeks ago. I just don't feel well. Shortness of breath upon exertion and while not moving. I'm exhausted. My sister, age 61, just died from arrhythmogenic dysplasia. What do you think? Many thanks.