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Syphilis

September 17, 2026 · 26 min

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Ninja Nerds!

In this episode of the Ninja Nerd Podcast, Zach and Rob walk you through a high-yield, case-based approach to Syphilis, focusing on how to recognize the different stages of disease, interpret diagnostic testing, and understand the major complications that make this infection so clinically important. Because syphilis can mimic so many other conditions, this episode emphasizes pattern recognition and step-by-step clinical reasoning.

We start with the fundamentals of Treponema pallidum infection, including transmission, pathophysiology, and the progression from primary to tertiary disease. From there, we walk through classic presentations such as the painless chancre of primary syphilis, the diffuse rash and condyloma lata of secondary syphilis, and the often silent latent stage that can eventually progress to severe systemic disease.

Next, we focus on diagnosis and management, including how to interpret nontreponemal and treponemal testing, when cerebrospinal fluid evaluation is necessary, and how treatment changes depending on the stage of infection. We also emphasize key treatment principles with penicillin therapy and the importance of follow-up testing after treatment.

Finally, we cover high-yield complications and special scenarios, including neurosyphilis, cardiovascular syphilis, congenital syphilis, and management considerations during pregnancy.

Let’s get into it, Ninja Nerds!

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