Last post, I mentioned that we work in a system that can encourage unnecessary testing.  I then went on to see a patient that really hammered this point home for me.

A young insured high schooler tripped and fell, hitting his head against a window sill and knocking himself unconscious with seizure-like activity for about ten seconds.  His dad found out about it the next day, talked to his wife who had a friend who knew a nurse who told them he could have a brain bleed and that’s the story of how we ended up meeting.

It was now almost 24 hours after the fall.  I talked to him and looked him over and decided that he had not had a seizure, only passed out (not that it really made any difference) and that everything about him was completely normal.

There were no outright expectations of a CAT scan, but real concerns had been placed over a possible head bleed and so I started to give the talk I give to allay those fears. 

As I did so, I reflected on my situation.  Why the heck was I advising against a head CT?  The family wanted one to prove nothing’s wrong.  The hospital wanted one to make some money and increase patient satisfaction while decreasing liability.  The radiologists I’m sure are more than happy to read and bill for an easy young normal head CT.  And why was I spending time trying to convince these people to forgo a test when I gain nothing but increased risk?

Because unnecessary testing is wrong — it wastes money and resources and in the specific case of a CAT scan increases the lifetime risk of cancer by some small percentage.  The family ended up being reasonable and saw the logic in what I was saying and everyone seemed satisfied without any further testing.  

Still, it was a reminder: while the justification to withhold testing tends to be nebulous and distant, the reasons to just go ahead and order the scan are anything but, surrounding me in the ER.  And while no one has ever thanked me for not ordering a test, failing to order one on the wrong patient would result in people lining up to publicly speculate as to how I could possibly practice such bad medicine.