question: I am a 35 year old female and I  have cardiovasculartacicardia, A few days ago I had a crushing pain in what felt like my heart. My heart was beating hard. and i had aching in my left shoulder blade, shoulder down to my elbo..I have since had shortness of breath my heart rate irregular more so then normal and now I have tightness of chest especially on my left side and I am having trouble catching my breath...I was waiting til monday to call the heart dr. Is that something you think can wait?Does it sound like a heart attack?