This calculator helps determine the appropriate drip rate (in milliliters per hour, mL/hr) for administering intravenous (IV) fluids. Accurate drip rate calculation is crucial for safe and effective medication delivery and fluid management in healthcare settings.
function calculateDripRate() {
var volumeToInfuse = parseFloat(document.getElementById("volumeToInfuse").value);
var infusionTimeHours = parseFloat(document.getElementById("infusionTimeHours").value);
var gravityDripFactor = parseFloat(document.getElementById("gravityDripFactor").value);
var resultDiv = document.getElementById("result");
resultDiv.innerHTML = ""; // Clear previous results
// Input validation
if (isNaN(volumeToInfuse) || volumeToInfuse <= 0) {
resultDiv.innerHTML = "Please enter a valid positive number for Volume to Infuse.";
return;
}
if (isNaN(infusionTimeHours) || infusionTimeHours <= 0) {
resultDiv.innerHTML = "Please enter a valid positive number for Infusion Time.";
return;
}
if (isNaN(gravityDripFactor) || gravityDripFactor <= 0) {
resultDiv.innerHTML = "Please enter a valid positive number for Gravity Drip Factor.";
return;
}
// Calculation
// Formula: Drip Rate (gtt/min) = (Volume to Infuse (mL) * Drip Factor (gtt/mL)) / Infusion Time (minutes)
// We need mL/hr for this calculator, so we'll adjust the formula slightly.
// First, calculate mL/hr: Volume (mL) / Time (hours) = mL/hr
// Then, convert mL/hr to gtt/hr: (mL/hr) * Drip Factor (gtt/mL) = gtt/hr
var mlPerHour = volumeToInfuse / infusionTimeHours;
var dripRateGttPerHour = mlPerHour * gravityDripFactor;
// Display the result, rounded to two decimal places for clarity
resultDiv.innerHTML = "Calculated Drip Rate: " + dripRateGttPerHour.toFixed(2) + " gtt/hr";
}
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border-radius: 8px;
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