You may have misdiagnosed.

I misdiagnosed her ulcer.

Our misdiagnosed schizophrenic, Sean.

We misdiagnosed her.

So she was misdiagnosed?

Misdiagnosing a tick bite.

What if she was misdiagnosed?

You think we misdiagnosed Charlie?

So you think he was misdiagnosed?

There was the intern who originally misdiagnosed the patient.