This calculator helps determine the appropriate rate for administering a blood transfusion, ensuring patient safety and optimal therapeutic effect. It's crucial to consult with a healthcare professional for actual patient care decisions.
.blood-transfusion-calculator {
font-family: sans-serif;
max-width: 500px;
margin: 20px auto;
padding: 20px;
border: 1px solid #ccc;
border-radius: 8px;
background-color: #f9f9f9;
}
.blood-transfusion-calculator h2 {
text-align: center;
margin-bottom: 15px;
color: #333;
}
.blood-transfusion-calculator p {
text-align: justify;
margin-bottom: 25px;
color: #555;
font-size: 0.9em;
line-height: 1.5;
}
.input-section {
margin-bottom: 15px;
display: flex;
flex-direction: column;
}
.input-section label {
margin-bottom: 5px;
font-weight: bold;
color: #444;
}
.input-section input {
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
font-size: 1em;
}
.button-section {
text-align: center;
margin-top: 20px;
}
.button-section button {
padding: 12px 25px;
background-color: #007bff;
color: white;
border: none;
border-radius: 5px;
font-size: 1.1em;
cursor: pointer;
transition: background-color 0.3s ease;
}
.button-section button:hover {
background-color: #0056b3;
}
.result-section {
margin-top: 25px;
padding: 15px;
background-color: #e9ecef;
border: 1px solid #dee2e6;
border-radius: 5px;
text-align: center;
font-size: 1.2em;
font-weight: bold;
color: #28a745;
}
function calculateTransfusionRate() {
var bloodVolumeInput = document.getElementById("bloodVolume");
var infusionTimeInput = document.getElementById("infusionTime");
var resultDiv = document.getElementById("result");
var bloodVolume = parseFloat(bloodVolumeInput.value);
var infusionTime = parseFloat(infusionTimeInput.value);
resultDiv.innerHTML = ""; // Clear previous results
if (isNaN(bloodVolume) || bloodVolume <= 0) {
resultDiv.innerHTML = "Please enter a valid volume of blood product.";
return;
}
if (isNaN(infusionTime) || infusionTime <= 0) {
resultDiv.innerHTML = "Please enter a valid infusion time.";
return;
}
// Calculate rate in mL per hour
var ratePerHour = (bloodVolume / infusionTime) * 60;
// Calculate rate in drops per minute (assuming standard 20 gtts/mL for blood products, though this can vary)
// For actual clinical use, the drip factor of the specific IV set MUST be known.
// Here we'll assume a standard for demonstration.
var dripFactor = 20; // Assuming 20 drops per mL for blood products
var ratePerMinuteDrops = (bloodVolume / infusionTime) * dripFactor;
resultDiv.innerHTML = "Transfusion Rate: " + ratePerHour.toFixed(2) + " mL/hour" +
"Approximate Drip Rate: " + ratePerMinuteDrops.toFixed(1) + " drops/min (assuming " + dripFactor + " gtts/mL)";
}