CNS Infections

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Ninja Nerds!

In this episode, Rob and Zach dive into CNS infections and walk through how to build a simple framework to separate and identify meningitis, encephalitis, and brain abscess, then link each one to its classic clinical clues, imaging findings, CSF patterns, and empiric treatment.

Through high-yield case-based discussions, we cover when to obtain imaging before a lumbar puncture, how to interpret opening pressure, cell counts, glucose levels, and protein levels, and how to rapidly determine empiric antibiotics and antivirals based on age, immune status, and risk factors. We also highlight the major concerns for exams and real-life scenarios, including bacterial meningitis, HSV encephalitis, Listeria infections in older or immunocompromised patients, neurosurgical and shunt-associated infections, and the typical organisms responsible for brain abscesses.

This episode gives you a practical approach you can run in your head at three in the morning on call. By the end, you will be more confident in recognizing red flag presentations, initiating the right empirical therapy promptly, and knowing when steroids, antivirals, or additional imaging should be part of the plan, all in a way that sticks for both exams and clinical practice.

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