Why is my mind so clean and pure? Because I am always changing it.
In medical school the old saying is that half of everything you learn will not be true in 10 years, the problem being they do not tell which half.
In medicine, the approach is, one hopes, that data leads to an opinion. You have to be careful not to let opinion guide how you evaluate the data. It is difficult to do, and I tell myself that my ego is not invested my interpretation of the data. I am not wrong, I am giving the best interpretation I can at the time. For years I yammered on about how it made no sense to give a beta-lactam and a quinolone for sepsis until a retrospective study suggested benefit of the combination. Bummer. Now when I talk to the housestaff about sepsis, I have to add a caveat about combination therapy. It is why my motto is, only half jokingly, “Frequently in error, never in doubt”.
At what point do you start to change you mind? Alter your message as a teacher? Have new behavior? Medicine is not all or nothing, black and white. Changes are incremental, and opinions change slowly, especially if results of a new study contradict commonly held conclusions from prior investigations.
Nevertheless, I am in the process of changing my mind, and it hurts. I feel like Mr. Gumby.
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