From Kent E. Willyard, MD:
MedRules is an award-winning application featuring useful clinical prediction rules taken from the medical literature. A few of the available rules may be seen in the animated screenshots shown to the right. Additional rules will be added over time. Complete references for each rule may be found by clicking the question mark icon in the upper-right corner of the screen. This application is for educational use only. It should not be used to make decisions affecting patient care.