# What Is the First Aid Guide > A page-by-page decode of all 646 First Aid pages: high-yield flags, ELI5 explanations, page-specific MCQs, walkthroughs and synced Anki. URL: https://usmlevault.com/blog/fa-guide.html Canonical: https://usmlevault.com/blog/fa-guide.html ## Summary Explains USMLE Vault's First Aid Guide, which decodes all 646 pages of First Aid because the book was written to remind rather than teach. Every page carries a Focus On high-yield flag, an ELI5 explanation with analogy and teaching point, MCQs mapped to that exact page, concept walkthroughs, and Foundation Anki cards anchored to the same page. Also includes a mapped changelog of the 367 changes between First Aid 2025 and 2026. The recommended loop is prime the page, clear its Anki the same day, then open UWorld on that system. ## Key facts - Covers all 646 pages of First Aid - A page takes roughly 20 minutes with the Guide, versus students spending 3 hours per page and retaining nothing - Documents all 367 changes between First Aid 2025 and 2026, mapped page by page - Page-level MCQs prime UWorld performance: 48% cold becomes 70% primed - Three-step loop: read the page (Focus On → ELI5 → MCQs), unsuspend that page's Foundation Anki cards the same day, then do UWorld for that system - The Renal system is free on usmlevault.com - Case cited: a full-time UK physician passed Step 1 in 3 months with NBMEs of 71%, 77%, 75% and Free 120 at 87% ## Covers how to study First Aid Step 1, First Aid page by page guide, First Aid 2026 changes, First Aid Anki deck, understanding First Aid instead of memorizing, First Aid and UWorld order, First Aid ELI5 ## Source USMLE Vault — https://usmlevault.com Author: Dr. Marish Asudani Updated: 2026-08-26