The right depth for the moment you’re in

Look something up before a case, prepare for tomorrow, or build durable knowledge with focused surgical practice.

01

Case in 60 seconds

Free-flap congestion

Student essential
Resident application

Recognize

Dark, swollen flap with brisk dark bleeding

Treat a change in flap color, turgor, temperature, or signal as time-sensitive.

Immediate priorities

Confirm the finding, remove external compression, and notify the supervising team.

Common pitfalls

Do not let reassuring surface findings delay assessment of a changing flap.

When to escalate

Mobilize urgent evaluation when compromise is suspected.

Decision case
3-question check
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Feature 01

A clinical answer in about 60 seconds

Search a procedure, complication, anatomy term, or clinical concept. Start with recognition, priorities, pitfalls, and escalation, then open the attached sources or go deeper when time allows.

02

Tomorrow's case

Carpal tunnel release

Case brief

What to review before you scrub

Key anatomy, operative sequence, common pitfalls, and the questions an attending may ask.

1

Anatomy refresher

Median nerve and carpal tunnel

2

Procedure steps

Release from exposure to closure

3

Attending questions

Five likely questions

4

Decision simulation

Work through one complication

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Feature 02

Prep for tomorrow's case

Bring a concise reference, relevant anatomy, attending-style questions, and a decision simulation together in one focused case-prep workflow.

03

Plastic Surgery · 3 of 10

A patient develops a congested free flap six hours after surgery.

What is the most appropriate next step?

A. Observe and reassess in one hour
B. Urgent operative exploration
C. Apply topical nitroglycerin
D. Begin systemic anticoagulation

Attending pearl

Venous congestion is a time-sensitive threat. Confirm the finding and mobilize the operative team early.

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Feature 03

ABSITE / PSITE / OITE prep

Question banks aligned to the ABSITE, PSITE, and OITE blueprints. Every item tagged by board category so your study time tracks the exam, not a generic surgery curriculum.

04

Plastic Surgery pathway

Microsurgery

1 of 4 essentials complete

Flap basics

2

Monitoring

3

Complications

4

Salvage

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Feature 04

See where you are. Know what comes next.

Follow a clear surgery-specific route with completed, current, and locked checkpoints. Koji marks your current stop, while decision simulations turn pathway knowledge into clinical reasoning.

05

Saved for when you need it

Library

ReferencesQuestionsCases

Free-flap congestion

Microsurgery · 60 sec

Melanoma margins

Oncology · 60 sec

Flexor tendon injury

Hand · 60 sec

Burn assessment

Trauma · 60 sec

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Feature 05

A library that remembers what mattered

Return to procedures, rapid references, clinical cases, and saved questions from one place. Recent references make it easy to pick up where you left off.

06

Your learning data

Performance

Coverage

64%

Best-score avg

72%

Reinforced

18

Coverage by topic

Core principles78%
Hand66%
CMF52%
Breast84%

Your next best action

Tune up craniomaxillofacial trauma

Recommended from recent misses · about 2 min

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Feature 06

Progress you can act on

Lead with pathway coverage, demonstrated accuracy, and concepts reinforced. Then turn weak categories, confidence mismatches, and due reviews into one focused next action.

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