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💉 Veterinary Anesthesia Risk Stratification (ASA) Simulator

This simulator stratifies the anesthetic risk of an animal using a modified ASA scale.

Veterinary Risk & Dosing Calculators2DModerate60 FPS
veterinary-anesthesia-asa-risk-simulator ↗ Open standalone

ASA I — The Healthy Baseline Patient

Placeholder: normal healthy animal, minimal anesthetic risk overall.

  • <0.1%: Typical mortality (placeholder estimate)
  • Minimal: Pre-op workup (placeholder estimate)
  • Basic: Monitoring (placeholder estimate)
  • None: Stabilization (placeholder estimate)

Defining ASA I in veterinary patients

Placeholder: healthy young/adult animal with no disease detected on exam.

ASA II — Mild, Compensated Systemic Disease

Placeholder: mild disease without functional limitation, low added risk.

  • ~0.3%: Typical mortality (placeholder estimate)
  • Basic labs: Pre-op workup (placeholder estimate)
  • Standard: Monitoring (placeholder estimate)
  • Minimal: Stabilization (placeholder estimate)

Common ASA II examples

Placeholder: obesity, mild dental disease, well-controlled mild conditions.

ASA III–IV — Severe to Life-Threatening Disease

Placeholder: severe systemic disease with rising constant threat to life.

  • 1–5%: Typical mortality (placeholder estimate)
  • Extensive: Pre-op workup (placeholder estimate)
  • Enhanced: Monitoring (placeholder estimate)
  • Required: Stabilization (placeholder estimate)

Distinguishing III from IV

Placeholder: III limits activity, IV poses constant threat to life.

ASA V — Moribund Patients and Emergency Modifier

Placeholder: moribund patient, survival unlikely without immediate surgery.

  • >10%: Typical mortality (placeholder estimate)
  • Rapid, focused: Pre-op workup (placeholder estimate)
  • Maximal: Monitoring (placeholder estimate)
  • Critical/urgent: Stabilization (placeholder estimate)

The emergency "E" modifier

Placeholder: E appended when delay would meaningfully increase risk.

Balancing stabilization vs delay

Placeholder: some stabilization attempted even in true emergencies.

Placeholder: brief stabilization is weighed against risk of delaying surgery.

Monitoring Intensity Across the ASA Scale

Placeholder: monitoring equipment and vigilance increase with ASA class.

  • Basic: ASA I–II (placeholder estimate)
  • Enhanced: ASA III (placeholder estimate)
  • Intensive: ASA IV (placeholder estimate)
  • Maximal: ASA V (placeholder estimate)

From stethoscope to arterial line

Placeholder: equipment added stepwise as physiologic risk climbs.

⚙ Under the hood

This simulator stratifies the anesthetic risk of an animal using a modified ASA scale.

CanvasBiomedicine

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install

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