Sorry to play devil's advocate (oops there's that words again), but I completely, wholeheartedly agree with Wendell. And, the kids playing with it is the last thing I worry about. I would even download Angry Birds for them.
First, how do you know they are not getting on the computer? But, the main reason is this: It's not that patient A will go on the computer and look at patient B. It's that patient A will look at the unlocked, fully accessible computer and think, "Wow, patient B has complete access to my chart.
It's just like the parent in the waiting room who overhears a staff member hang up the phone and call the caller a b.... or something. The parent in the waiting room isn't offended. But, he/she is thinking, wow, what do they say about me?
