Hello, I am just wondering what a 'adequate opacification of the pulmonary arteries' means?' Does that mean I am not at risk for a heart attack? This was a CT scan on my chest. How often do i need to get checked? I am a 25 year old female. With high blood pressure. My mother died at 47 due to a heart attack, and her death has greatly effected me. I am afraid that I am going to have on soon. I've had 4 EKG's all clear, Blood tests are wonderful, four times, X-Ray says my 'Heart is normal.'