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u-sim / Builder

Give your next scenario a life of its own.

Turn clinical expertise into a structured, reusable simulation. Build the story, the decisions, and the details that bring learning to life.

Build the experience around the learning.

Shape the patient, set the scene, define the learning, and map the moments that bring your scenario to life.

Open Builder

your-scenario.usim

The person behind the case.

Give learners a person to understand, not just a problem to solve.

Sam sitting on a hospital bed

Patient story

Give the symptoms a voice, a background, and a human perspective.

Sam
SamPatient
I used to take the stairs easily.
Now I have to stop halfway.

Medical history

Connect past conditions, medications, and allergies to the case.

Exam findings

Define what learners discover when they look, listen, and examine.

Cycles automatically. Hover or focus to pause.
Work of breathingAn observable change
Basal cracklesA focused examination finding
Raised heart rateA clue in the starting vitals

Vital signs

Set the starting physiology and how it changes through the scenario.

ECG II · 1 mV
ECG bpm92
ECG I · 1 mV
SpO₂ %
SpO₂ %97
Resp /min
Resp /min20
NIBP mmHg128/76(93)
Temperature °C37.0
Sinus rhythm

For the scenario you’ve been meaning to write

Your next teaching idea starts here.

Give it a patient, a purpose, and the decisions that matter.

  • Shape the patient and the setting
  • Connect decisions to learning goals
  • Keep your scenario ready to reuse
Get started free

Your idea. Every detail.
One living scenario.

Start with a teaching idea. Shape the patient, connect the decisions, and prepare the people who bring it to life.

Start with an idea

Create a scenario about an adult with chest pain for new residents.

Generate scenario
Your scenario draft
Patient & presentation
Learning objectives
Events & assessment
Ready for your review

Start with a teaching idea.

Describe the encounter, review the generated draft, and make it your own.

Make every decision matter.

Connect learner actions, timed changes, and outcomes in a scenario that responds.

Panels advance every 6.5 seconds while visible. Hover or focus pauses advancement. Select anywhere on a panel to expand it.