FiO2Calculator.github.io/finer.html at main · FiO2Calculator/FiO2Calculator.github.io · GitHub

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<!doctype html>
<html>

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>FiO2 Calculator</title>
  <link rel="stylesheet" href="style.css">
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/css/bootstrap.min.css"
    integrity="sha384-TX8t27EcRE3e/ihU7zmQxVncDAy5uIKz4rEkgIXeMed4M0jlfIDPvg6uqKI2xXr2" crossorigin="anonymous">

  <script>

    changeCell = () => {
      let output = document.getElementById("output").value
      switch (output) {
        case "fio2":
          return document.getElementById('last-cell').innerHTML = "Oxygen Flow (mL/min or cc/min)";

        case "flow":
          return document.getElementById('last-cell').innerHTML = "FiO2 (%)";

        default:
          return document.getElementById('last-cell').innerHTML = "Select Option Above"
      }
    };

    calculate = () => {
      const weight = Number(document.getElementById('qty_weight').value);
      const respRate = Number(document.getElementById('qty_respiratory_rate').value);
      const B = Number(document.getElementById("qty_blender_oxygen").value); //%

      const Vt = 5.5 * weight;
      const Ve = Vt * respRate;

      output = document.getElementById("output").value;
      let result = "Please select your desired output";
      let warning = "<br />";
      let warning2 = "<br />";

      switch (output) {
        case "fio2":
          const flow = Number(document.getElementById('last-cell-value').value);

          let calculatedFio2 = 0;

          if (flow > 200) {
            alert('Flow rate too high, please use a different calculator.');
            warning = "WARNING: flow rate too high, results may be inaccurate";
          };

          if (flow > Ve) {
            calculatedFio2 = B;
          };

          if (flow <= Ve) {
            calculatedFio2 = (((flow * (B - 21) / 100) + (0.21 * Ve)) / Ve) * 100;
          };

          result = "FiO2 = " + Math.round(calculatedFio2) + " %";
          break;

        case "flow":
          const fio2 = Number(document.getElementById('last-cell-value').value);
          const maxFio2 = B;

          let calculatedFlow = 0;

          if (fio2 <= maxFio2) {
            calculatedFlow = (Ve / ((B - 21))) * ((fio2) - 21);
          };

          if (fio2 > maxFio2) {
            calculatedFlow = Ve;
            console.log("max fio2 passed = " + maxFio2); //100
            console.log("fio2 entered = " + fio2); //50
            warning = "The FiO2 value you entered cannot be reached with this blender oxygen. The max FiO2 possible is " + Math.round(maxFio2) + "% and the lowest flow rate at which it is reached is:";
          };

          if (calculatedFlow > 200) {
            alert('Calculated flow rate too high, please use a different calculator.')
            warning2 = "WARNING: calculated flow rate too high, results may be inaccurate";
          };
          result = "Flow rate = " + Math.round(calculatedFlow) + " mL/min";
          break;

        default:
          result = "Please select your desired output";
          break;
      }

      return (
        document.getElementById('result').innerHTML = result,
        document.getElementById('warning').innerHTML = warning,
        document.getElementById('warning2').innerHTML = warning2
      )
    };
  </script>

</head>

<body>
  <header>
    <h4>FiO2 Calculator</h4>
    <div class="nav">
      <ul>
        <li>
          <a href="aboutUs.html" class="btn btn-secondary" role="button" aria-pressed="true">
            About Us
          </a>
        </li>
      </ul>
    </div>
  </header>
  <nav class="navbar navbar-expand navbar-light bg-light">

    <div class="collapse navbar-collapse justify-content-center" id="navbarNav">
      <ul class="navbar-nav">
        <li class="nav-item active">
          <a class="nav-link" href="index.html">Home</a>
        </li>
        <li class="nav-item active">
          <div class="dropdown">
            <a class="nav-link active dropdown-toggle" type="button" id="dropdownMenuButton" data-toggle="dropdown"
              aria-haspopup="true" aria-expanded="false">
              Calculators
            </a>
            <div class="dropdown-menu" aria-labelledby="dropdownMenuButton">
              <a class="dropdown-item" href="finer.html">Finer</a>
              <a class="dropdown-item" href="bb.html">Benaron-Benitz</a>
              <a class="dropdown-item" href="hybrid.html">Hybrid</a>
            </div>
          </div>
        </li>
        <li class="nav-item active">
          <div class="dropdown">
            <a class="nav-link active dropdown-toggle" type="button" id="dropdownMenuButton" data-toggle="dropdown"
              aria-haspopup="true" aria-expanded="false">
              How it Works
            </a>
            <div class="dropdown-menu" aria-labelledby="dropdownMenuButton">
              <a class="dropdown-item" href="finerHIW.html">Finer</a>
              <a class="dropdown-item" href="bbHIW.html">Benaron-Benitz</a>
              <a class="dropdown-item" href="hybridHIW.html">Hybrid</a>
            </div>
          </div>
        </li>
      </ul>
    </div>
  </nav>

  <div class="page-content">
    <h5>Finer Calculator (as adapted by NICU Tools):</h5>
    <p>Recommended conditions for use:
    <ul>
      <li>If known, flow rate below 200 ml/min</li>
      <li>Measured respiratory rate</li>
    </ul>
    </p>

    <div class="container mt-4">
      <div class="row my-3">
        <div class="col-6">
          Weight (Kg)
        </div>
        <div class="col-3">
          <input type="number" value="1.5" class="qty" id="qty_weight" />
        </div>
      </div>

      <div class="row my-3">
        <div class="col-6">
          Respiratory rate (Breaths/Min)
        </div>
        <div class="col-3">
          <input type="number" value="65" class="qty" id="qty_respiratory_rate" />
        </div>
      </div>

      <div class="row my-3">
        <div class="col-6">
          Blender Oxygen (%)
        </div>
        <div class="col-3">
          <input type="number" value="100" class="qty" id="qty_blender_oxygen" />
        </div>
      </div>

      <div class="row my-3">
        <div class="col-6">
          Preferred output:
        </div>
        <div class="col-3" onload="changeCell()">
          <select id="output" onchange="changeCell()">
            <option value="none">Select Option</option>
            <option value="fio2">FiO2</option>
            <option value="flow">Flow Rate</option>
          </select>
        </div>
      </div>

      <div class="row my-3">
        <div class="col-6" id=last-cell>Select Option Above</div>
        <div class="col-3">
          <input type="number" class="qty" value="0" id="last-cell-value" />
        </div>
      </div>
    </div>

    <p class="result-div">
    <div class="center" onload="calculate()">
      <button class="btn btn-success" type="button" onclick="calculate()">Calculate Results</button>
    </div>
    <div class="warning" id="warning"><br /></div>
    <div class="result" id="result"></div>
    <div class="warning" id="warning2"><br /></div>
    </p>
    <p xmlns:cc="http://creativecommons.org/ns#">This work is licensed under <a
        href="http://creativecommons.org/licenses/by-nc-sa/4.0/?ref=chooser-v1" target="_blank"
        rel="license noopener noreferrer" style="display:inline-block;">CC BY-NC-SA 4.0<img
          style="height:22px!important;margin-left:3px;vertical-align:text-bottom;"
          src="https://mirrors.creativecommons.org/presskit/icons/cc.svg?ref=chooser-v1"><img
          style="height:22px!important;margin-left:3px;vertical-align:text-bottom;"
          src="https://mirrors.creativecommons.org/presskit/icons/by.svg?ref=chooser-v1"><img
          style="height:22px!important;margin-left:3px;vertical-align:text-bottom;"
          src="https://mirrors.creativecommons.org/presskit/icons/nc.svg?ref=chooser-v1"><img
          style="height:22px!important;margin-left:3px;vertical-align:text-bottom;"
          src="https://mirrors.creativecommons.org/presskit/icons/sa.svg?ref=chooser-v1"></a></p>
  </div>

  <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"
    integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj"
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</body>

</html>