SimKit

Should you tap a knee effusion? Start with pre-test probability.
If the patient has no risk factors, the knee isn’t hot/erythematous, and they can range comfortably, a diagnostic aspiration may not help—and every procedure carries risk (including introducing infection).
Teaching pearl: aspirate when you truly suspect septic arthritis and there’s enough fluid to analyze.
Full episode: https://youtu.be/CpT1tsXMbd4
Resources: https://linktr.ee/simkit
Educational only not medical advice.

Figure 2 is wild: at 5 minutes, both groups were ~7/10 pain. Then PENG dropped pain more than fascia iliaca at 15/30/60 min. SPID favored PENG too: 63% vs 38%.
Links: https://linktr.ee/simkit
Full episode: https://youtu.be/Z1Nfm956TNo?si=hfrHj_-IIW1ghUlu
Educational only — not medical advice.