1. There are hospital information systems that cross check orders, for instance, allergies that a patient may have, double orders, competing meds, meds that are contraindicated for certain age groups, etc.
2. Coded arm bands and meds - automated med management systems
3. Smart infusion pump delivery systems - DO NOT RELY ON THESE. Always calculate this yourself.
4. Electronic Health Record System - all of your information in one place. This is for more consistent patient healthcare. The Netherlands leads the way with this system.