GI · LIVE

AIMS65

Compute the Saltzman 2011 AIMS65 score for in-hospital mortality in acute upper GI bleeding from albumin, INR, caller-assigned altered mental status, systolic blood pressure, and age.

LIVE $0.005 USDC GET /api/calc/aims65

Markdown: /docs/aims65.md · Canonical: https://magentlab.com/docs/aims65

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

What it computes

Compute the Saltzman 2011 AIMS65 score for in-hospital mortality in acute upper GI bleeding from albumin, INR, caller-assigned altered mental status, systolic blood pressure, and age.

When to use

When an agent needs the published AIMS65 total and must not invent Glasgow-Blatchford, Rockall, or mortality percentages.

When not to use

Not a diagnosis. magent does not diagnose the cause or severity of bleeding.
Not Glasgow-Blatchford and not Rockall. This tool is the Saltzman 2011 AIMS65 score only.
magent does not assess mental status. altered_mental_status is a caller-assigned flag.
Albumin <3.0 g/dL, INR >1.5, and age >65 are strict inequalities: albumin 3.0, INR 1.5, and age 65 do not score. Systolic BP ≤90 mm Hg includes 90.

Formula

AIMS65 = (albumin_g_dl<3.0) + (inr>1.5) + altered_mental_status + (systolic_mm_hg<=90) + (age>65); each 1 if present; max 5

Citation

Title: A simple risk score accurately predicts in-hospital mortality, length of stay, and cost in acute upper GI bleeding
Authors: Saltzman JR, Tabak YP, Hyett BH, Sun X, Travis AC, Johannes RS
Source: Gastrointest Endosc. 2011;74(6):1215-1224
DOI: 10.1016/j.gie.2011.06.024

Worked example

All criteria absent

Given: age=50albumin_g_dl=4.0altered_mental_status=falseinr=1.0systolic_mm_hg=120

Albumin 4.0 is not <3.0 → 0; INR 1.0 is not >1.5 → 0; mental status false → 0; SBP 120 is not ≤90 → 0; age 50 is not >65 → 0
Score = 0 (max 5)

All five criteria present

Given: age=66albumin_g_dl=2.5altered_mental_status=trueinr=1.6systolic_mm_hg=90

Albumin 2.5 < 3.0 → 1; INR 1.6 > 1.5 → 1; mental status true → 1; SBP 90 ≤ 90 → 1; age 66 > 65 → 1
Score = 5 (max 5)

Also searched as

AIMS65 score
AIMS-65
Saltzman AIMS65
upper GI bleed score
acute UGIB AIMS65
AIMS 65

Try

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

/api/calc/aims65?age=50&albumin_g_dl=4.0&inr=1.0&altered_mental_status=false&systolic_mm_hg=120

Full URL: https://api.magentlab.com/api/calc/aims65?age=50&albumin_g_dl=4.0&inr=1.0&altered_mental_status=false&systolic_mm_hg=120

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/aims65?age=50&albumin_g_dl=4.0&inr=1.0&altered_mental_status=false&systolic_mm_hg=120"

Parameters

Name	Type	Required	Description
`age`	integer	required	Age in years (18-120). Scores 1 when age >65; 65 does not score.
`albumin_g_dl`	number	optional	Albumin in g/dL (1-6). Provide this or albumin_g_l, not both. Scores 1 when <3.0; 3.0 does not score.
`albumin_g_l`	number	optional	Albumin in g/L (10-60). Converted as g/dL = g/L / 10. Provide this or albumin_g_dl, not both.
`inr`	number	required	INR (0.8-10). Scores 1 when >1.5; 1.5 does not score.
`altered_mental_status`	boolean	required	Altered mental status as assigned by the caller. true or false. magent does not assess mental status. 1 point if true.
`systolic_mm_hg`	number	required	Cuff systolic blood pressure in mm Hg (50-250). Scores 1 when ≤90; 90 scores.

Bulk (POST)

POST the same path with a JSON items array. Price is n times the GET unit. Invalid items return HTTP 400 before settlement.

POST /api/calc/aims65 Max 25 unit_amount * n PREVIEW

1 to 25 items. Each item uses the same keys as the GET query parameters.
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": [
    {
      "age": "50",
      "albumin_g_dl": "4.0",
      "altered_mental_status": "false",
      "inr": "1.0",
      "systolic_mm_hg": "120"
    },
    {
      "age": "50",
      "albumin_g_dl": "4.0",
      "altered_mental_status": "false",
      "inr": "1.0",
      "systolic_mm_hg": "120"
    }
  ]
}

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/aims65",
  "items": [
    {
      "components": [
        {
          "value": 4.0,
          "factor": "albumin_lt_3",
          "points": 0,
          "present": false
        },
        {
          "value": 1.0,
          "factor": "inr_gt_1_5",
          "points": 0,
          "present": false
        },
        {
          "factor": "altered_mental_status",
          "points": 0,
          "present": false
        },
        {
          "value": 120.0,
          "factor": "systolic_mm_hg_le_90",
          "points": 0,
          "present": false
        },
        {
          "value": 50,
          "factor": "age_gt_65",
          "points": 0,
          "present": false
        }
      ],
      "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": "Saltzman JR, Tabak YP, Hyett BH, Sun X, Travis AC, Johannes RS",
        "doi": "10.1016/j.gie.2011.06.024",
        "id": "saltzman-2011",
        "source": "Gastrointest Endosc. 2011;74(6):1215-1224",
        "title": "A simple risk score accurately predicts in-hospital mortality, length of stay, and cost in acute upper GI bleeding"
      },
      "formula": "aims65",
      "formula_expression": "AIMS65 = (albumin_g_dl<3.0) + (inr>1.5) + altered_mental_status + (systolic_mm_hg<=90) + (age>65); each 1 if present; max 5",
      "max_score": 5,
      "score": 0,
      "albumin_g_dl": 4.0,
      "age_years": 50,
      "inr": 1.0,
      "systolic_mm_hg": 120.0
    },
    {
      "components": [
        {
          "value": 4.0,
          "factor": "albumin_lt_3",
          "points": 0,
          "present": false
        },
        {
          "value": 1.0,
          "factor": "inr_gt_1_5",
          "points": 0,
          "present": false
        },
        {
          "factor": "altered_mental_status",
          "points": 0,
          "present": false
        },
        {
          "value": 120.0,
          "factor": "systolic_mm_hg_le_90",
          "points": 0,
          "present": false
        },
        {
          "value": 50,
          "factor": "age_gt_65",
          "points": 0,
          "present": false
        }
      ],
      "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": "Saltzman JR, Tabak YP, Hyett BH, Sun X, Travis AC, Johannes RS",
        "doi": "10.1016/j.gie.2011.06.024",
        "id": "saltzman-2011",
        "source": "Gastrointest Endosc. 2011;74(6):1215-1224",
        "title": "A simple risk score accurately predicts in-hospital mortality, length of stay, and cost in acute upper GI bleeding"
      },
      "formula": "aims65",
      "formula_expression": "AIMS65 = (albumin_g_dl<3.0) + (inr>1.5) + altered_mental_status + (systolic_mm_hg<=90) + (age>65); each 1 if present; max 5",
      "max_score": 5,
      "score": 0,
      "albumin_g_dl": 4.0,
      "age_years": 50,
      "inr": 1.0,
      "systolic_mm_hg": 120.0
    }
  ]
}

Response

Field	Type	Description
`formula`	string	aims65
`formula_expression`	string	Exact expression used
`score`	integer	Total points 0-5
`max_score`	integer	Always 5
`age_years`	integer	Age used for the >65 criterion
`albumin_g_dl`	number	Albumin used in g/dL (after conversion)
`inr`	number	INR used
`systolic_mm_hg`	number	Systolic pressure used, mm Hg
`components`	array	Per-criterion points
`citation`	object	Saltzman 2011 citation
`disclaimer`	string	Not-a-device notice

Example JSON

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

{
  "components": [
    {
      "value": 4.0,
      "factor": "albumin_lt_3",
      "points": 0,
      "present": false
    },
    {
      "value": 1.0,
      "factor": "inr_gt_1_5",
      "points": 0,
      "present": false
    },
    {
      "factor": "altered_mental_status",
      "points": 0,
      "present": false
    },
    {
      "value": 120.0,
      "factor": "systolic_mm_hg_le_90",
      "points": 0,
      "present": false
    },
    {
      "value": 50,
      "factor": "age_gt_65",
      "points": 0,
      "present": false
    }
  ],
  "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": "Saltzman JR, Tabak YP, Hyett BH, Sun X, Travis AC, Johannes RS",
    "doi": "10.1016/j.gie.2011.06.024",
    "id": "saltzman-2011",
    "source": "Gastrointest Endosc. 2011;74(6):1215-1224",
    "title": "A simple risk score accurately predicts in-hospital mortality, length of stay, and cost in acute upper GI bleeding"
  },
  "formula": "aims65",
  "formula_expression": "AIMS65 = (albumin_g_dl<3.0) + (inr>1.5) + altered_mental_status + (systolic_mm_hg<=90) + (age>65); each 1 if present; max 5",
  "max_score": 5,
  "score": 0,
  "albumin_g_dl": 4.0,
  "age_years": 50,
  "inr": 1.0,
  "systolic_mm_hg": 120.0
}

Client errors (HTTP 400)

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

HTTP	Code	When
400	`invalid_albumin`	albumin_g_dl (1-6) or albumin_g_l (10-60) is required Returned before settlement; you are not charged.
400	`invalid_inr`	inr must be a number from 0.8 to 10 Returned before settlement; you are not charged.
400	`invalid_flag`	boolean clinical flags must be true or false Returned before settlement; you are not charged.
400	`invalid_systolic_bp`	systolic_mm_hg or systolic_bp_mm_hg must be a number from 50 to 250. Returned before settlement; you are not charged.
400	`invalid_age`	age must be an integer from 18 to 120 Returned before settlement; you are not charged.
400	`invalid_items`	POST body must be a JSON object with only an items array Returned before settlement; you are not charged.
400	`invalid_item_count`	items must be an array of 1 to 25 objects Returned before settlement; you are not charged.
400	`invalid_item`	each items entry must be a JSON object Returned before settlement; you are not charged.

Related tools

Glasgow-Blatchford score — Compute the Blatchford 2000 Glasgow-Blatchford score from urea, haemoglobin, systolic BP, heart rate, and four clinical flags.

Payment

Required query parameters must be present and valid. 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

Invalid query parameters return HTTP 400 before settlement. You are not charged.
Settlement finishes before the tool executes (paymentFlow upfront). 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.