Derm: Henoch-Schönlein purpura (HSP): Free MSRA Podcast

🎯 Henoch-Schönlein Purpura (HSP) – the most common systemic vasculitis in children – is a high-yield must-know for the MSRA. But don’t be fooled by its familiar rash: this topic hides plenty of traps in both diagnosis and management.In this focused Deep Dive episode, we break HSP down to its core essentials, linking pathophysiology to presentation, and helping you nail those subtle MSRA vignette clues 🧠🧬 What You'll Learn:✅ What HSP actually is – an IgA-mediated small vessel vasculitis✅ Classic tetrad of features using the mnemonic PAAR:🔹 P – Purpura (palpable, non-blanching rash)🔹 A – Arthralgia/arthritis (especially large joints like knees/ankles)🔹 A – Abdominal pain (colicky, +/- GI bleeding)🔹 R – Renal involvement (haematuria, proteinuria)✅ High-yield triggers: preceding infections (especially strep), drugs, vaccines✅ Differentials you must exclude:🚨 Meningococcal sepsis – purpura + unwell child = emergency⚠️ Intussusception – GI pain + red currant jelly stool✅ The role of IgA immune complexes and how they damage vessel walls✅ Why urinalysis is the most important investigation 🔍✅ When and why to consider steroids✅ The MSRA trap: When to avoid NSAIDs✅ Why adults have worse outcomes – especially kidneys✅ Prognosis pearls and how to approach long-term monitoring for CKD🧠 MSRA Nuggets & Exam Tips:💡 Don’t forget to ask about infection history – a cold 1–3 weeks ago is a classic clue💡 Purpura + tummy pain ≠ always HSP – rule out sepsis and intussusception first💡 Palpable purpura + normal platelets? → Think HSP (vs. ITP which has low platelets)💡 Use PAAR to guide diagnosis and follow-up💡 Long-term urine dip follow-up is vital – even if initial symptoms resolve📚 Free MSRA Resources to Consolidate This Episode:🔗 HSP Revision Notes🔗 HSP Flashcards🔗 HSP Accordion Q&A Notes🔗 HSP Rapid Quiz🔗 HSP Quiz Bank Questions🔗 Dermatology for the MSRA Course🎓 Whether you’re early in revision or in rapid-fire mode, this episode gives you everything you need to feel confident with HSP and avoid common exam pitfalls.💥 Final tip? Always think beyond the rash. HSP starts on the skin… but it’s the gut and kidneys you need to watch.#MSRA #MSRARevision #HenochSchönleinPurpura #HSP #MSRADermatology #MSRAFlashcards #MSRAQuiz #PaediatricsForTheMSRA #PassTheMSRA #FreeMSRARevision #SmallVesselVasculitis #IgAVasculitis