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Shock or Not

A heart alarm goes off. Look at the heart line, check the patient, and decide: will a shock help? New here? Start plays an 80-second guided first shift.

Practice game for NCLEX-RN study. Not a substitute for BLS/ACLS training.

Levels

Credits

"GRADD Hospital Room" by GRADD CO, poly.pizza/m/9sUalfQ76kn, CC BY 3.0.

"Male base" by Артур Мигранов, poly.pizza/m/eWGDnQ0jzmH, CC BY 3.0. Simplified and compressed.

three.js (MIT). JetBrains Mono (OFL). ECG traces are synthetic (sum-of-Gaussians model after McSharry et al. 2003). Sounds are synthesized.

Clinical content: 2020 AHA Guidelines for CPR and ECC (adult BLS/ALS) and the 2025 AHA update where confirmed. See DATA-SOURCES.md.

How to play

SHOCK

Messy squiggle (VF) or fast wide waves (VT), and no pulse. Then 1 Charge, 2 Clear!, 3 Shock, and straight back to CPR.

NO SHOCK

Flat line, or a normal-looking line with no pulse. Do CPR and give epinephrine.

NO SHOCK

The patient is talking to you. A messy line is a loose wire or movement.

Tap the labelled spots on the patient: Shoulder (are you OK?), Pulse (hold on the neck), Chest (CPR), Code (call the team).
Tap ? during play, or hover / long-press any button, to see what it means.
Keys: R shoulder, H code, P hold pulse, C CPR, 1/2 place pad (arrows move, Enter drops), K rhythm check, Y sync, G charge, X clear, S shock, N no shock, A pace, M meds (1-6), Esc pause.

Shock or Not

Levels

Credits

How to play

Words

You know the loop

Code team debrief

Paused