Calc Hcm Risk Scd

{
  "count": 2,
  "items": [
    {
      "age": 40,
      "citation": {
        "authors": "O'Mahony C, Jichi F, Pavlou M, et al.",
        "doi": "10.1093/eurheartj/eht439",
        "id": "omahony-2014",
        "pmid": "24126876",
        "source": "Eur Heart J. 2014;35(30):2010-2020",
        "title": "A novel clinical risk prediction model for sudden cardiac death in hypertrophic cardiomyopathy (HCM Risk-SCD)"
      },
      "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.",
      "family_history_scd": false,
      "five_year_scd_risk_percent": 2.2,
      "formula": "hcm_risk_scd",
      "formula_expression": "P_5y = 1 - 0.998^exp(PI); PI = 0.15939858*max_wall_thickness_mm - 0.00294271*max_wall_thickness_mm^2 + 0.0259082*la_diameter_mm + 0.00446131*max_lvot_gradient_mm_hg + 0.4583082*family_history_scd + 0.82639195*nsvt + 0.71650361*unexplained_syncope - 0.01799934*age; flags 1 if true else 0; O'Mahony 2014; risk_band <4 lower, 4 to <6 intermediate, >=6 higher",
      "la_diameter_mm": 40,
      "max_lvot_gradient_mm_hg": 20,
      "max_wall_thickness_mm": 20,
      "nsvt": false,
      "prognostic_index": 2.416468,
      "risk_band": "lower",
      "unexplained_syncope": false
    },
    {
      "age": 40,
      "citation": {
        "authors": "O'Mahony C, Jichi F, Pavlou M, et al.",
        "doi": "10.1093/eurheartj/eht439",
        "id": "omahony-2014",
        "pmid": "24126876",
        "source": "Eur Heart J. 2014;35(30):2010-2020",
        "title": "A novel clinical risk prediction model for sudden cardiac death in hypertrophic cardiomyopathy (HCM Risk-SCD)"
      },
      "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.",
      "family_history_scd": false,
      "five_year_scd_risk_percent": 2.2,
      "formula": "hcm_risk_scd",
      "formula_expression": "P_5y = 1 - 0.998^exp(PI); PI = 0.15939858*max_wall_thickness_mm - 0.00294271*max_wall_thickness_mm^2 + 0.0259082*la_diameter_mm + 0.00446131*max_lvot_gradient_mm_hg + 0.4583082*family_history_scd + 0.82639195*nsvt + 0.71650361*unexplained_syncope - 0.01799934*age; flags 1 if true else 0; O'Mahony 2014; risk_band <4 lower, 4 to <6 intermediate, >=6 higher",
      "la_diameter_mm": 40,
      "max_lvot_gradient_mm_hg": 20,
      "max_wall_thickness_mm": 20,
      "nsvt": false,
      "prognostic_index": 2.416468,
      "risk_band": "lower",
      "unexplained_syncope": false
    }
  ],
  "path": "/api/calc/hcm_risk_scd"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/hcm_risk_scd' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":40,"family_history_scd":false,"la_diameter_mm":40,"max_lvot_gradient_mm_hg":20,"max_wall_thickness_mm":20,"nsvt":false,"unexplained_syncope":false},{"age":40,"family_history_scd":false,"la_diameter_mm":40,"max_lvot_gradient_mm_hg":20,"max_wall_thickness_mm":20,"nsvt":false,"unexplained_syncope":false}]}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://api.magentlab.com/api/calc/hcm_risk_scd' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":40,"family_history_scd":false,"la_diameter_mm":40,"max_lvot_gradient_mm_hg":20,"max_wall_thickness_mm":20,"nsvt":false,"unexplained_syncope":false},{"age":40,"family_history_scd":false,"la_diameter_mm":40,"max_lvot_gradient_mm_hg":20,"max_wall_thickness_mm":20,"nsvt":false,"unexplained_syncope":false}]}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.007 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.007" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.007 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fhcm_risk_scd&method=POST
const res = await pay("https://api.magentlab.com/api/calc/hcm_risk_scd", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "age": 40,
        "family_history_scd": false,
        "la_diameter_mm": 40,
        "max_lvot_gradient_mm_hg": 20,
        "max_wall_thickness_mm": 20,
        "nsvt": false,
        "unexplained_syncope": false
      },
      {
        "age": 40,
        "family_history_scd": false,
        "la_diameter_mm": 40,
        "max_lvot_gradient_mm_hg": 20,
        "max_wall_thickness_mm": 20,
        "nsvt": false,
        "unexplained_syncope": false
      }
    ]
  }),
});
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.007 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.007"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.magentlab.com/api/calc/hcm_risk_scd",
        json={
            "items": [
                {
                    "age": 40,
                    "family_history_scd": False,
                    "la_diameter_mm": 40,
                    "max_lvot_gradient_mm_hg": 20,
                    "max_wall_thickness_mm": 20,
                    "nsvt": False,
                    "unexplained_syncope": False,
                },
                {
                    "age": 40,
                    "family_history_scd": False,
                    "la_diameter_mm": 40,
                    "max_lvot_gradient_mm_hg": 20,
                    "max_wall_thickness_mm": 20,
                    "nsvt": False,
                    "unexplained_syncope": False,
                },
            ],
        },
    )
    print(res.status_code, res.text)