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AVA Calculator API

Compute AVA and classify stenosis severity to support cardiovascular decision-support products.

Endpoint

  • GET /api/v1/ava-calculator
  • POST /api/v1/ava-calculator/post

Parameters

Name Type Required In Description
lvot number Yes Query/Body Left ventricular outflow tract diameter (cm).
vt1 number Yes Query/Body LVOT VTI (cm).
vt2 number Yes Query/Body Aortic valve VTI (cm).
lang string No Query Response language (en,es,de,fr,pt,ja,hi,ar).

Why Use This Endpoint

  • Automate AVA grading for echo-based workflows.
  • Add explainable severity tiers to cardiology dashboards.
  • Support actionable escalation and follow-up routing.

Get Started

Request Example

curl -X GET "https://api.hefitapi.com/api/v1/ava-calculator?lvot=2.1&vt1=19&vt2=72&lang=en" \
  -H "X-API-Key: YOUR_API_KEY"

curl -X POST "https://api.hefitapi.com/api/v1/ava-calculator/post?lang=en" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_API_KEY" \
  -d '{
    "lvot": 2.1,
    "vt1": 19,
    "vt2": 72
  }'

Response Example

Info

The response example below is for demonstration purposes only. Make a live request to this endpoint to receive the full, real-time, and potentially richer JSON structure.

{
  "lvot_cm": 2.1,
  "vt1_cm": 19.0,
  "vt2_cm": 72.0,
  "ava_cm2": 0.92,
  "dimensionless_index": 0.264,
  "severity_band": "severe",
  "severity_label": "Severe",
  "interpretation": "Severe aortic stenosis profile.",
  "recommendation": "Urgent specialist evaluation recommended.",
  "clinical_priority": "critical",
  "follow_up_window": "Immediate",
  "action_plan": ["Escalate to cardiology", "Confirm with full echo panel"],
  "optimization_focus": ["Hemodynamic stabilization"],
  "escalation_flags": ["Syncope", "Chest pain", "Dyspnea at low effort"],
  "_enterprise": {
    "client": "Acme Health",
    "plan": "pro",
    "request_id": "0f60dcb149383a71",
    "quota": 120,
    "usage_tracking": true
  },
  "_api_metadata_": {
    "api_name": "Health Fitness API by Dakidarts®",
    "endpoint_name": "ava_calculator",
    "response_language": "en"
  }
}

Product Value

Use this endpoint in cardiology AI assistants, echo reporting tools, and remote specialist triage products.

Note

lvot, vt1, and vt2 must all be positive numeric values.