ACS · WEDGE

Killip class after myocardial infarction (1967)

Killip

Return the Killip and Kimball 1967 myocardial-infarction heart-failure class 1-4 from a caller-assigned integer, with the published class description and 1967 CCU hospital mortality.

WEDGE $0.005 USDC GET /api/calc/killip

Markdown: /docs/killip.md · Canonical: https://magentlab.com/docs/killip

Not a medical device. Not a diagnosis, dose, or listing recommendation.

What it computes

Return the Killip and Kimball 1967 myocardial-infarction heart-failure class 1-4 from a caller-assigned integer, with the published class description and 1967 CCU hospital mortality.

When to use

When an agent needs the 1967 Killip class and must not invent GRACE scores, modified Killip, or contemporary-registry mortality.

When not to use

• Not a medical device and not a diagnosis of heart failure or shock. magent does not examine the patient.
• The caller assigns Killip class 1-4. magent does not auscultate, measure blood pressure, or inspect the chart.
• Hospital mortality percentages are the 1967 CCU series (250 patients) only. They are not GRACE, GUSTO, or contemporary registry rates.

Formula

Killip class 1-4 as assigned by the caller; 1967 CCU hospital mortality 6/17/38/81 percent (Killip and Kimball 1967)

Citation

Title

Treatment of myocardial infarction in a coronary care unit. A two year experience with 250 patients

Authors

Killip T 3rd, Kimball JT

Source

Am J Cardiol. 1967;20(4):457-464

DOI

10.1016/0002-9149(67)90023-9

Worked example

Also searched as

• Killip class
• Killip classification
• Killip-Kimball
• Killip Kimball class
• MI heart failure class
• Killip 1967
• coronary care unit class
• Killip class AMI

Try

Opens the live endpoint. Unpaid browser requests show the paywall; agents should send Accept: application/json.

/api/calc/killip?killip_class=1

Full URL: https://api.magentlab.com/api/calc/killip?killip_class=1

Call

Expect HTTP 402 until you retry with PAYMENT-SIGNATURE. Incomplete query params return HTTP 400 before any quote or charge.

curl -i -H "Accept: application/json" "https://api.magentlab.com/api/calc/killip?killip_class=1"

Parameters

Bulk (POST)

POST the same path with a JSON items array. The first item is the GET unit; each additional item is $0.002. Invalid items return HTTP 400 before settlement.

POST /api/calc/killip Max 25 unit_amount + extra_item_amount * (n - 1) extra $0.002 PREVIEW

• 1 to 25 items. Each item uses the same keys as the GET query parameters.
• POST of 1 item costs the same as GET. Lists longer than 25: chunk into multiple POSTs. Extra items still execute; do not pad dummy rows.
• The first invalid item fails the whole request (index in the 400 JSON). You are not charged.
• HTTP 200 is {count, path, items}. Each items[i] is the GET 200 body for that row.
• Catalog misses (empty matches, found=false) stay paid 200s inside that slot.
• x402 resource URL is this path plus n and body_sha256. Browsers that prefer text/html get the same paywall as GET; Pay retries POST with the same items.

Example request (fixture)

{
  "items": [
    {
      "killip_class": "1"
    },
    {
      "killip_class": "1"
    }
  ]
}

Open bulk paywall →

Opens a two-item fixture on the API host. Unpaid browsers get the same MetaMask paywall as GET; Pay retries POST with those items.

Example 200 (fixture)

{
  "count": 2,
  "path": "/api/calc/killip",
  "items": [
    {
      "description": "No heart failure",
      "components": [
        {
          "factor": "killip_class",
          "points": 1,
          "present": true
        }
      ],
      "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
      "citation": {
        "authors": "Killip T 3rd, Kimball JT",
        "doi": "10.1016/0002-9149(67)90023-9",
        "id": "killip-1967",
        "pmid": "6059183",
        "source": "Am J Cardiol. 1967;20(4):457-464",
        "title": "Treatment of myocardial infarction in a coronary care unit. A two year experience with 250 patients"
      },
      "formula": "killip",
      "formula_expression": "Killip class 1-4 as assigned by the caller; 1967 CCU hospital mortality 6/17/38/81 percent (Killip and Kimball 1967)",
      "max_score": 4,
      "score": 1,
      "hospital_mortality_percent": 6,
      "killip_class": 1
    },
    {
      "description": "No heart failure",
      "components": [
        {
          "factor": "killip_class",
          "points": 1,
          "present": true
        }
      ],
      "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
      "citation": {
        "authors": "Killip T 3rd, Kimball JT",
        "doi": "10.1016/0002-9149(67)90023-9",
        "id": "killip-1967",
        "pmid": "6059183",
        "source": "Am J Cardiol. 1967;20(4):457-464",
        "title": "Treatment of myocardial infarction in a coronary care unit. A two year experience with 250 patients"
      },
      "formula": "killip",
      "formula_expression": "Killip class 1-4 as assigned by the caller; 1967 CCU hospital mortality 6/17/38/81 percent (Killip and Kimball 1967)",
      "max_score": 4,
      "score": 1,
      "hospital_mortality_percent": 6,
      "killip_class": 1
    }
  ]
}

Response

Example JSON

Machine form of the same example. Frozen fixture. Not a live lookup.

{
  "description": "No heart failure",
  "components": [
    {
      "factor": "killip_class",
      "points": 1,
      "present": true
    }
  ],
  "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
  "citation": {
    "authors": "Killip T 3rd, Kimball JT",
    "doi": "10.1016/0002-9149(67)90023-9",
    "id": "killip-1967",
    "pmid": "6059183",
    "source": "Am J Cardiol. 1967;20(4):457-464",
    "title": "Treatment of myocardial infarction in a coronary care unit. A two year experience with 250 patients"
  },
  "formula": "killip",
  "formula_expression": "Killip class 1-4 as assigned by the caller; 1967 CCU hospital mortality 6/17/38/81 percent (Killip and Kimball 1967)",
  "max_score": 4,
  "score": 1,
  "hospital_mortality_percent": 6,
  "killip_class": 1
}

Client errors (HTTP 400)

Invalid params return 400 without charge. Shared HTTP 402 and 503 meanings: Payments.

Related tools

• TIMI risk score for STEMI — Compute the TIMI risk score for ST-elevation myocardial infarction from published bedside factors at presentation.
• HEART score — Compute the HEART score as age points plus caller-assigned history, ECG, risk factors, and troponin (each 0-2).

Payment

Unpaid requests return HTTP 402 even if query parameters or POST items are missing or invalid, so CDP and agents can index the path. After a PAYMENT-SIGNATURE, invalid params return HTTP 400 JSON before settlement. magent does not charge. Fix the params, then request a new 402 quote for that complete URL. Catalog misses (empty matches, found=false) are valid paid 200s. Unpaid valid requests return HTTP 402 with a base64 PAYMENT-REQUIRED header. HTTP 503 is not a new quote: retry the same PAYMENT-SIGNATURE. Full handshake and shared payment errors: Payments. Stdio MCP: /docs/mcp.

Guarantees

• HTTP 402 is unpaid, including a missing query. After PAYMENT-SIGNATURE, invalid parameters return HTTP 400 before settlement. You are not charged.
• exact: settlement finishes before the tool (paymentFlow upfront). batch-settlement: verify/deposit before the tool; chargedCumulativeAmount commits after HTTP 2xx. Uncertain or failed settlement fails closed (HTTP 503). Retry the same PAYMENT-SIGNATURE.
• HTTP 402 is unpaid only. Do not sign a second authorization because of a 503.
• Execution is timeout-bounded and concurrency-capped.
• Calculator inputs are stored encrypted for allowlisted operators (Magent Console). They are not in public logs, SSH lookups, catalog, or rollups. Request logs store path without query.