About this app
Master USMLE® Step 1 through 350 high-yield clinical cases. First Aid Cases for the USMLE® Step 1 transforms high-yield concepts into realistic patient scenarios that strengthen clinical reasoning and prepare you for exam day. Based on the trusted First Aid™ series, this interactive app includes 350 clinical cases covering every major Step 1 topic. Each case combines active learning questions, detailed explanations, and full-color clinical images to reinforce essential concepts and improve long-term retention. FEATURES • 350 high-yield clinical cases • Active learning questions with detailed explanations • 300+ full-color clinical images and illustrations • Organization matched to First Aid for the USMLE Step 1 • Reinforces concepts through realistic patient scenarios • Perfect for USMLE Step 1 preparation COMPLETE STEP 1 COVERAGE • Biochemistry • Immunology • Microbiology • Pharmacology • Public Health Sciences • Cardiovascular • Endocrine • Gastrointestinal • Hematology & Oncology • Musculoskeletal • Neurology • Psychiatry • Renal • Reproductive • Respiratory • Skin & Connective Tissue POWERFUL STUDY TOOLS • Highlight important concepts • Bookmark difficult cases • Add personal notes • Track your progress • Mark completed cases • Email notes • Optimized for iPhone and iPad Expanded Apps Terms of Service: https://expandedapps.com/terms-of-use/ Expanded Apps Privacy Policy: https://expandedapps.com/privacy-policy/
Latest release
What’s New
Updated OS and metadata
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 16, 2026 · 2:52 PM Free
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