Summarize your current position in 1 or 2 sentences. Be sure to mention what your current job responsibilities are, who you calling on (doctors, hospitals, nurses etc), and what type of product you sell (surgical disposables, supplies, pharmaceuticals etc.).
Be sure to include your current rankings if applicable, total territory dollar volume and geography of your territory.
Employers look to see the progression in your career path and for any gaps between employment or short tenure at a position. If dates are missing they will assume you that you are trying to cover up a gap or a career misstep. In addition, always include your date of graduation from college. If you leave it off employers will think that:
1) You actually never graduated from college or
2) You are trying to appear younger than you actually are.
Remember your resume is the first impression you will make on a manager and your only chance to make it into an interview. If your resume has typos or errors managers may question your professionalism and you may not get an interview.
Almost all medical companies run background checks today as information has become readily available via the internet. Many employers are willing to overlook a missing college degree or a career misstep when candidates are truthful and confident in their own abilities and are able to articulate their circumstances surrounding these situations.