10-Year ASCVD Risk Calculator
Estimate your 10-year risk of developing Atherosclerotic Cardiovascular Disease (ASCVD), including heart attack and stroke. This calculator is for informational purposes only and should not replace professional medical advice.
Understanding ASCVD Risk
Atherosclerotic Cardiovascular Disease (ASCVD) refers to a group of conditions caused by atherosclerosis, a process where plaque builds up inside your arteries. This plaque can narrow the arteries, making it harder for blood to flow through, or it can rupture, leading to blood clots that can cause heart attacks or strokes.
Key Risk Factors for ASCVD:
- Age: The risk of ASCVD increases with age.
- Sex: Men generally have a higher risk than women, especially at younger ages.
- Cholesterol Levels: High total cholesterol and low HDL (good) cholesterol contribute to plaque buildup.
- Blood Pressure: High blood pressure (hypertension) damages artery walls, making them more susceptible to plaque formation.
- Smoking: Smoking significantly damages blood vessels and increases the risk of ASCVD.
- Diabetes: High blood sugar levels associated with diabetes can damage blood vessels and nerves that control the heart.
- Family History: A strong family history of early heart disease can indicate a higher genetic predisposition.
- Obesity and Physical Inactivity: These factors contribute to other risk factors like high blood pressure, high cholesterol, and diabetes.
Why Calculate Your Risk?
Knowing your 10-year ASCVD risk can help you and your healthcare provider make informed decisions about lifestyle changes and potential medical interventions. For individuals with intermediate or high risk, aggressive management of risk factors, including lifestyle modifications and sometimes medication (like statins or blood pressure medications), may be recommended to prevent future cardiovascular events.
This calculator provides a simplified estimate based on common risk factors. A comprehensive risk assessment by a healthcare professional will consider additional factors and provide personalized guidance.
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function calculateASCVD() {
var age = parseFloat(document.getElementById("age").value);
var sex = document.getElementById("sex").value;
var totalCholesterol = parseFloat(document.getElementById("totalCholesterol").value);
var hdlCholesterol = parseFloat(document.getElementById("hdlCholesterol").value);
var systolicBP = parseFloat(document.getElementById("systolicBP").value);
var onHypertensionMed = document.getElementById("onHypertensionMed").value;
var smoker = document.getElementById("smoker").value;
var diabetic = document.getElementById("diabetic").value;
var onStatinTherapy = document.getElementById("onStatinTherapy").value;
var resultDiv = document.getElementById("result");
resultDiv.innerHTML = ""; // Clear previous results
// Input validation
if (isNaN(age) || age 79 ||
isNaN(totalCholesterol) || totalCholesterol 400 ||
isNaN(hdlCholesterol) || hdlCholesterol 100 ||
isNaN(systolicBP) || systolicBP 200) {
resultDiv.innerHTML = "Please enter valid numbers for all fields within the specified ranges.";
return;
}
var riskScore = 0;
// 1. Age & Sex
if (age >= 20 && age = 40 && age = 50 && age = 60 && age = 70 && age <= 79) riskScore += 20;
if (sex === "female") {
riskScore -= 2; // Females generally have lower baseline risk
}
// 2. Total Cholesterol
if (totalCholesterol = 150 && totalCholesterol = 200 && totalCholesterol = 240) riskScore += 4;
// 3. HDL Cholesterol
if (hdlCholesterol = 40 && hdlCholesterol = 60) riskScore -= 1;
// 4. Systolic Blood Pressure
if (systolicBP = 120 && systolicBP = 130 && systolicBP = 140) riskScore += 6;
// 5. On Hypertension Medication
if (onHypertensionMed === "yes") {
riskScore += 3;
}
// 6. Smoker
if (smoker === "yes") {
riskScore += 5;
}
// 7. Diabetic
if (diabetic === "yes") {
riskScore += 4;
}
// 8. On Statin Therapy (indicates existing risk, but therapy reduces future events)
if (onStatinTherapy === "yes") {
riskScore -= 2; // Statin therapy is a protective measure, reducing risk
}
// Ensure risk score doesn't go below zero for display purposes
if (riskScore < 0) {
riskScore = 0;
}
var riskCategory = "";
var riskPercentage = Math.round(riskScore * 0.5); // Simplified conversion to a percentage for display
if (riskPercentage = 5 && riskPercentage = 7.5 && riskPercentage 30) {
riskPercentage = 30;
}
resultDiv.innerHTML = "Your Estimated 10-Year ASCVD Risk:
" + riskPercentage + "% (" + riskCategory + ")(This is a simplified estimate for informational purposes.)";
}