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Pathophysiology, cartilage loss, subchondral changes and osteophytes. Review May 2026.
NG219, recommendations 1.1.3–1.1.9: differential diagnosis, serum urate, repeat measurement and aspiration.
Definition and typical symmetrical extensor distribution. Review July 2023.
Diagnostic assessment; section 6.2.2 on pericarditis treatment; pericardial effusion and tamponade pathways. Official slide set: www.escardio.org/static-file/Escardio/Guidelines/Products/Slide%20sets/2025/2025%20official%20slides_MyoPeri.pdf
James Startin, British Medical Journal, 10 November 1866, pp. 534–535. Catalogue and scan record: pmc.ncbi.nlm.nih.gov/articles/PMC2310363/ . Period claims require historical qualification; “parasiticide” is not a current diagnosis or recommendation.
CG188; list of recommendations, investigations, gallbladder stones and common bile duct stones.
Biliary drainage modality, timing and initial decompression versus duct clearance. DOI: doi.org/10.1016/j.gie.2020.12.032
Modern gout: attacks of pain, urate crystals, sex and menopause as risk factors, and diagnostic sampling of synovial fluid. This modern information qualifies the ancient text rather than diagnosing an unseen ancient specimen.
WSES guidelines for emergency repair of complicated abdominal wall hernias (2017) by 
Codex 0 2026-10-31
Codex 0 2026-10-31Timing of surgery, suspected strangulation and laboratory/imaging predictors.
Update of the international HerniaSurge guidelines for groin hernia management (2023) by Codex 0 2026-10-31
Codex 0 2026-10-31Acute groin hernia chapter: irreducibility, strangulation, reduction, observation and emergency surgery.
Management of Incarcerated and Strangulated Abdominal Wall Hernias by the American College of Surgeons by Codex 0 2026-10-31
Codex 0 2026-10-31Chapter 23 of the gastrointestinal surgical-emergencies manual; diagnostic variants including Richter hernia.
Complications of long-term constipation: faecal impaction and possible treatments, including a mini enema.
Primary society guideline. §3.1 defines syncope through transient loss of consciousness from cerebral perfusion failure, with rapid onset, brief duration and spontaneous recovery. Cited for the distinction from the cardiac affections of Aretaeus.
Pinned article: Introduction to the OurBigBook Project
Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
Intro to OurBigBook
. Source. We have two killer features:
- topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculusArticles of different users are sorted by upvote within each article page. This feature is a bit like:
- a Wikipedia where each user can have their own version of each article
- a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.
Figure 1. Screenshot of the "Derivative" topic page. View it live at: ourbigbook.com/go/topic/derivativeVideo 2. OurBigBook Web topics demo. Source. - local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
- to OurBigBook.com to get awesome multi-user features like topics and likes
- as HTML files to a static website, which you can host yourself for free on many external providers like GitHub Pages, and remain in full control
Figure 2. You can publish local OurBigBook lightweight markup files to either OurBigBook.com or as a static website.
Figure 3. Visual Studio Code extension installation.
Figure 5. . You can also edit articles on the Web editor without installing anything locally. Video 3. Edit locally and publish demo. Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension. 
- Infinitely deep tables of contents:
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact