NBME Step 2 CK Form 7 CT scan of the head (NBME Answers)

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Retired NBME Step 2 CK Form 7 Answers

step2ck_form7/Block 1/Question#8 (reveal difficulty score)
A 47-year-old woman comes to the physician ...
CT scan of the head 🔍 / 📺 / 🌳 / 📖
tags: neuro

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submitted by ∗step_prep5(246)

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Patient presenting with signs/symptoms concerning for meningitis vs. subarachnoid hemorrhage who also has signs of increased intracranial pressure and should therefore have a CT scan performed before a lumbar puncture
Key idea: Optic fundi cannot be visualized = Papilledema = Increased intracranial pressure = Contraindication to lumbar puncture due to risk of cerebral herniation
Key idea: Both meningitis and subarachnoid hemorrhage can lead to fever and signs of meningismus (pain with neck flexion, Kernig sign, etc.)

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libya Thank you so much for all your effort " your the best". +

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submitted by ∗keyseph(99)

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Indications for CT scan before lumbar puncture: FAILS

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jlbae ooo i like that, ty +1

charcot_bouchard i though I for immunodef. immunodefi definitely is a indication not sure abt intoxication. +

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submitted by ∗russnels(20)

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Bacterial meningitis... get a CT first due to signs of neurological deficit (R upper extremity + nystagmus). Otherwise lumbar puncture.

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russnels Also optic fundi not visible +1

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