* CLINICAL REASONING TRAINING · FOR STUDENTS, RESIDENTS, PAs, NPs & PHYSICIANS

Map the reasoning behind every diagnosis.

Acumen Atlas helps clinicians practice the art of clinical reasoning through progressive cases, structured problem representations, evolving differentials, and targeted feedback on the reasoning behind each decision.

Try a case - free Watch a 90s tour

complaints

systems

~15 min

per case

* Case 0421 - 62 M - Aliquot 04 / 06Labs

✓✓✓IVVVI

* PR v3 - 62-year-old man with acute exertional substernal pressure radiating to the left arm, in the setting of smoking and hypertension, now with elevated troponin and lateral ST depression.

NSTEMI - ACS81%

Aortic dissection - must-not-miss8%

Pulmonary embolism5%

* TUTOR - BAYESIAN UPDATE

The labs nudge you toward ACS - that is the move I would make too. Before you commit, ask yourself: what would shift it back?

I · THE PROBLEM

Your training taught you what to know.
Not how to think.

Recall gets you through exams. It does not get you through a patient.

Real cases arrive a piece at a time — a complaint, a vital, a finding — and you have to build a differential as the story unfolds. Expert clinicians do this with schemas: mental scaffolds that organize possibilities by category and refine them aliquot by aliquot.

Acumen is built to train that habit, case by case.

II · THE METHOD

Six stages. The same loop a clinician runs at the bedside.

Stem

A chief complaint and a 30-second presentation. Just enough to anchor a schema.

Categorize

Rank the categorical buckets by likelihood. The shape of your differential, before details.

Narrow

History, exam, labs, imaging — each aliquot updates your ranking. You watch your reasoning move.

Problem rep

A one-sentence summary in semantic qualifiers. The artifact senior clinicians ask for on rounds.

Commit

Top-3 differential and a single most-likely diagnosis. Before the chart reveals itself.

Reveal

Your reasoning, side-by-side with the expert's. Cognitive traps named. An illness script saved.

III · THE FRAMEWORK

The right frame,
then the answer.

Real differentials don’t start with disease names. They start with a category — chosen for the complaint in front of you. Organ system for chest pain. Mechanism for anemia. Anatomic for headache. Acumen makes the frame explicit, then trains you to choose it instinctively.

Card

Pulm

Vasc

Gast

Rena

Gyne

Musc

Hema

Endo

Infe

Toxi

Psyc

Neur

Ready to think like a clinician?

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