NEET PG, USMLE Step 1 and Step 2 CK
A quiet place to actually remember what you study
You read a subtopic, answer its cards, and a concept map fills in behind you. Every rating moves concepts, not just cards, so tomorrow you study what is weak instead of what is merely due.
Free while in beta. Apple and Google sign in, no passwords to remember.
Now available as beta on web and iOSConcept map
Subtopics ship with cards, a pathophysiology flowchart and a concept map, together, or they do not ship.
876
curated subtopics
24
disciplines
43,327
cards written
12,514
concepts tracked
871
pathophysiology flowcharts
871
concept maps
93
library audio episodes
730
NEET PG high yield subtopics
updated live
Try it
Answer one card, right here.
This is a real card from the library. Rate it honestly and watch what a single answer moves.
Flashcard, microbiology
What virus most commonly causes croup, and what is the typical age range affected?
Demonstration only. Nothing here is saved and no account is touched.
Inside the library
What one subtopic actually contains.
Renal
Diabetic and other systemic nephropathies
Kimmelstiel-Wilson nodules, hyperfiltration, amyloid, microalbuminuria progression
What diabetic nephropathy is
Diabetic kidney disease is kidney damage caused by longstanding diabetes and is the leading cause of chronic kidney disease among adults with diabetes, affecting roughly one in three of them. Most patients have no symptoms until the disease is advanced, which is why routine screening matters.
Hyperfiltration comes first
The earliest change is glomerular hyperfiltration, an above normal glomerular filtration rate (GFR) driven by relative dilation of the afferent arteriole under chronic high blood glucose. This raises pressure inside the glomerular capillaries well before any structural damage is visible.
Structural progression to KW nodules
Persistent hyperglycemia, worsened by coexisting hypertension, drives diffuse expansion of the mesangial matrix and thickening of the glomerular basement membrane. Over years this can organize into rounded, periodic acid Schiff (PAS) positive hyaline masses called Kimmelstiel-Wilson (KW) nodules, the classic biopsy hallmark of advanced diabetic nephropathy.
6 key point sections in the full subtopic.
Pathophysiology
Practice attached to this subtopic
- Flashcards22
- Cloze8
- Single best answer38
- Clinical vignettes22
Citations
- NIDDK Health Information: Diabetic Kidney Disease, Public domain
- NIDDK Health Information: Chronic Kidney Disease Tests and Diagnosis, Public domain
- OpenStax Anatomy and Physiology 2e: Microscopic Anatomy of the Kidney, Open, cite only
- MedlinePlus Genetics: Transthyretin Amyloidosis, Public domain
Audio
Hear it while you walk.
You listen on the bus. The quiz on exactly that episode is waiting when you sit down. What you got wrong comes back on a schedule, and your next mock leans on it.
There are 93 shared library episodes today, and more are added most days. The part that does not depend on that count: type any topic, or upload a PDF, and it renders you an episode of your own.
Your own material
Bring your own PDF, or just a topic.
Type a topic and it is written up and joins the shared library. Upload a PDF and it stays private to your account, read back to you as a list of sections you choose from, at a depth you choose. Either way you get the same cards, the same flowchart and the same concept map as everything else here.
Mnemonics
Emoji mnemonics, with every tile explained.
The top line spells the name, the bottom line is the mechanism, and nothing is left as an unexplained picture. They cover pharmacology, microbiology and biochemistry, where the memorising is worst.
Name
- 🧠
Mechanism
- 🫘
- 🫀
- 🔺
- ⬆️
Top line spells the name. Bottom line is the mechanism.
Read the rows, then say the term out loud.
Mock exams
Full timed papers, free.
Real paper shapes, with a question palette and a one way sectional lock, so once a section closes you cannot go back, exactly as on the day.
| Exam | Shape | Timing | Marking |
|---|---|---|---|
| NEET PG | 180 questions, 5 sections of 36 | 42 minutes a section | Plus 4 and minus 1, maximum 720 |
| Step 1 | 7 blocks of 20 | 30 minutes a block | No negative marking |
| Step 2 CK | 8 blocks of 20 | 30 minutes a block | No negative marking |
Mock exams are free, and they stay free.
Verification
Every subtopic passed three checks before you saw it.
The accuracy check re-fetches every cited URL
It tests the answer keys hardest, because a wrong answer key is worse than a wrong fact: it actively teaches you the error.
A corrected item is never trusted on the fix
Once something is edited, the whole item is verified again from scratch rather than waved through on the strength of the correction.
Sources are license filtered first
Filtering happens before a model is called at all, and the citations stay visible on every subtopic so you can check the claim yourself.
Coverage
Which exams the library is built for.
NEET PG
730
high yield subtopics
The deepest coverage.
USMLE Step 1
485
high yield subtopics
Mechanism heavy, mapped concept by concept.
USMLE Step 2 CK
329
high yield subtopics
Growing, and still smaller than Step 1.
FMGE candidates use the NEET PG library, which is the same syllabus in practice.
What this is not
It is a reading and review tool, not a question bank and not a feed. There are no leaderboards and no social features. There is a streak, because a daily habit is the point, but nothing is public and nobody is ranked against you. It is free while it is in beta. It is a study aid, not medical advice.
Get the app
Carry the library in your pocket.
On your phone
Now available as beta on web and iOS.
Study on the web, or carry the same library, the same cards and the same concept maps in your pocket. Scan the code to join the iOS beta on TestFlight.
Join the iOS beta
Scan with your phone camera
If you cannot scan the QR code, open this link on your phone: https://testflight.apple.com/join/SrsFxQsS