Question: In the diagnostic workup of a patient with a TIA, when should a lumbar puncture be used? Question options: 1) In all diagnostic workups 2) Only when meningitis is suspected 3) In any patient considered to have a subarachnoid hemorrhage when a CT scan is not diagnostic 4) There are no clinical indications for a lumbar puncture in the workup of a patient with a TIA or CVA