Lee 1999 revised cardiac risk index
Lee 1999 revised cardiac risk index: six 1-point factors (high-risk surgery, ischemic heart disease, heart failure, cerebrovascular disease, insulin diabetes, creatinine >2.0 mg/dL) and class I–IV. Deterministic published arithmetic with citation; not operative clearance.
Asked 1.4x its listed price for its own exampleour last check, 2026-09-28
1 of 1checks answered this week
268 msmedian answer time
$0.005listed price per call
$0.007price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.magentlab.com/api/calc/rcri
| Category | Everything else |
|---|---|
| Provider host | api.magentlab.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-28 | valid payment request | 402 | $0.007 | 268 ms |
Example input (from the provider)
{
"body": {
"items": [
{
"cerebrovascular_disease": false,
"congestive_heart_failure": false,
"creatinine_gt_2": false,
"high_risk_surgery": false,
"insulin_diabetes": false,
"ischemic_heart_disease": false
},
{
"cerebrovascular_disease": false,
"congestive_heart_failure": false,
"creatinine_gt_2": false,
"high_risk_surgery": false,
"insulin_diabetes": false,
"ischemic_heart_disease": false
}
]
},
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"items": {
"items": {
"properties": {
"cerebrovascular_disease": {
"description": "History of stroke or TIA (Lee 1999). true or false.",
"type": "boolean"
},
"congestive_heart_failure": {
"description": "History of heart failure, pulmonary edema, PND, rales, S3, or chest radiograph with vascular redistribution (Lee 1999). true or false.",
"type": "boolean"
},
"creatinine_gt_2": {
"description": "Preoperative serum creatinine >2.0 mg/dL (Lee 1999). true or false.",
"type": "boolean"
},
"high_risk_surgery": {
"description": "Intraperitoneal, intrathoracic, or suprainguinal vascular surgery (Lee 1999). true or false.",
"type": "boolean"
},
"insulin_diabetes": {
"description": "Preoperative insulin therapy for diabetes (Lee 1999). true or false.",
"type": "boolean"
},
"ischemic_heart_disease": {
"description": "History of myocardial infarction, positive exercise test, current chest pain from ischemia, nitrate use, or Q waves (Lee 1999). true or false.",
"type": "boolean"
}
},
"required": [
"high_risk_surgery",
"ischemic_heart_disease",
"congestive_heart_failure",
"cerebrovascular_disease",
"insulin_diabetes",
"creatinine_gt_2"
],
"type": "object"
},
"maxItems": 25,
"minItems": 1,
"type": "array"
}
},
"required": [
"items"
],
"type": "object"
},
"headers": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"method": {
"const": "POST",
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}