Calculation Lab

Clinical Education · Calculation Lab

Where the math is alive.

The dose and IV-fluid calculations every nurse must master — taught with live four-method solvers, an animated drip chamber, a vasopressor cockpit, and pedagogy that explains every step. Not flash cards. Not a static PDF. A lab.

⚡ Live solvers Pedagogy-first 🔒 No patient data High-alert flagging
Two labs · Built around your handouts

Pick a lab. Start playing. Walk away fluent.

Each lab pairs the NursingRidge handout with manipulable widgets. Toggle Teach me mode and every step is narrated — why this conversion factor, why this direction, why this rounding.


What "Teach me" mode does

1
Identify what you know
Desired dose: 250 mcg. Have: 0.5 mg per 2 mL.
2
Notice the units don't match
Ordered in mcg, have in mg — convert before solving.
3
Set up so mcg cancels
250 mcg × (1 mg / 1000 mcg)
mcg appears in both — they cancel diagonally.
01 — Pedagogy

Every step explained, not just the answer.

Your students don't just see "1 mL." They see why mcg cancels mcg, why the conversion factor was placed that way, and what would happen if they flipped it. The narration is the product.

  • 🧠Why, not what. Each step states the reasoning, not just the math.
  • ✂️Unit cancellation visualized. Units strike through on screen as they cancel.
  • 🔁Two modes. Teach me for learning. Show me for review.
Open Dose Lab →

02 — Reasonableness

Live checks. Curated. Owned by you.

The Calc Lab queries RxNorm for real drug-name validation and a curated reasonableness DB you control. Out-of-range doses get flagged. Forbidden routes (vincristine intrathecal, KCl IV push) get blocked with the actual case history.

  • 🔎RxNorm autocomplete. Real drug names. No typos.
  • 📋Curated dose ranges. Edit one JSON file to add drugs.
  • Forbidden-route blocks. KCl push, IT vincristine — sentinel-event guardrails.
  • ↗️Hand-off to the Drug Reference & Checker for the full FDA label.
Open IV Fluid Lab →

Live reasonableness · Norepinephrine

0.1 mcg/kg/min is within the typical range (0.01–1.5 mcg/kg/min) for norepinephrine.
Septic shock first-line. Titrate to MAP ≥ 65 mmHg.
KCl by IV PUSH is fatal. KCl must be diluted and infused — never given by push. Sentinel-event medication.
Educational reasonableness only. Not a substitute for institutional protocol, pharmacy verification, current FDA labeling, or licensed clinical decision support. No patient data is collected or stored.