Assessment Forms

I am the RN (one and only) for an outpatient imaging center. I am needing help with assessment forms. I need some examples of what needs to be on the form or maybe just a sample of a form. I have been here almost 3 years and d/t recent changes, I now have to start doing assessments on all invasive procedures. I know the basics that should be on the form, but i'm afraid that I will miss something important. Any help will be greatly appreciated!~